id	sid	tid	token	lemma	pos
american_scientific_journal-3619	1	1	214	214	NUM
american_scientific_journal-3619	1	2	american	american	ADJ
american_scientific_journal-3619	1	3	scientific	scientific	ADJ
american_scientific_journal-3619	1	4	research	research	NOUN
american_scientific_journal-3619	1	5	journal	journal	NOUN
american_scientific_journal-3619	1	6	for	for	ADP
american_scientific_journal-3619	1	7	engineering	engineering	NOUN
american_scientific_journal-3619	1	8	,	,	PUNCT
american_scientific_journal-3619	1	9	technology	technology	NOUN
american_scientific_journal-3619	1	10	,	,	PUNCT
american_scientific_journal-3619	1	11	and	and	CCONJ
american_scientific_journal-3619	1	12	sciences	science	NOUN
american_scientific_journal-3619	1	13	(	(	PUNCT
american_scientific_journal-3619	1	14	asrjets	asrjet	NOUN
american_scientific_journal-3619	1	15	)	)	PUNCT
american_scientific_journal-3619	1	16	issn	issn	PROPN
american_scientific_journal-3619	1	17	(	(	PUNCT
american_scientific_journal-3619	1	18	print	print	NOUN
american_scientific_journal-3619	1	19	)	)	PUNCT
american_scientific_journal-3619	1	20	2313	2313	NUM
american_scientific_journal-3619	1	21	-	-	SYM
american_scientific_journal-3619	1	22	4410	4410	NUM
american_scientific_journal-3619	1	23	,	,	PUNCT
american_scientific_journal-3619	1	24	issn	issn	PROPN
american_scientific_journal-3619	1	25	(	(	PUNCT
american_scientific_journal-3619	1	26	online	online	ADJ
american_scientific_journal-3619	1	27	)	)	PUNCT
american_scientific_journal-3619	1	28	2313	2313	NUM
american_scientific_journal-3619	1	29	-	-	SYM
american_scientific_journal-3619	1	30	4402	4402	NUM
american_scientific_journal-3619	1	31	©	©	PROPN
american_scientific_journal-3619	1	32	global	global	ADJ
american_scientific_journal-3619	1	33	society	society	NOUN
american_scientific_journal-3619	1	34	of	of	ADP
american_scientific_journal-3619	1	35	scientific	scientific	ADJ
american_scientific_journal-3619	1	36	research	research	NOUN
american_scientific_journal-3619	1	37	and	and	CCONJ
american_scientific_journal-3619	1	38	researchers	researcher	NOUN
american_scientific_journal-3619	1	39	http://asrjetsjournal.org/	http://asrjetsjournal.org/	NOUN
american_scientific_journal-3619	1	40	repair	repair	NOUN
american_scientific_journal-3619	1	41	and	and	CCONJ
american_scientific_journal-3619	1	42	maintenance	maintenance	NOUN
american_scientific_journal-3619	1	43	cost	cost	NOUN
american_scientific_journal-3619	1	44	analysis	analysis	NOUN
american_scientific_journal-3619	1	45	of	of	ADP
american_scientific_journal-3619	1	46	john	john	PROPN
american_scientific_journal-3619	1	47	deere	deere	PROPN
american_scientific_journal-3619	1	48	5403	5403	NUM
american_scientific_journal-3619	1	49	tractor	tractor	NOUN
american_scientific_journal-3619	1	50	in	in	ADP
american_scientific_journal-3619	1	51	the	the	DET
american_scientific_journal-3619	1	52	gambia	gambia	PROPN
american_scientific_journal-3619	1	53	tchotang	tchotang	PROPN
american_scientific_journal-3619	1	54	théodorea	théodorea	PROPN
american_scientific_journal-3619	1	55	,	,	PUNCT
american_scientific_journal-3619	1	56	lucien	lucien	PROPN
american_scientific_journal-3619	1	57	meva’ab	meva’ab	PROPN
american_scientific_journal-3619	1	58	,	,	PUNCT
american_scientific_journal-3619	1	59	bienvenu	bienvenu	PROPN
american_scientific_journal-3619	1	60	kenmeugnec	kenmeugnec	PROPN
american_scientific_journal-3619	1	61	,	,	PUNCT
american_scientific_journal-3619	1	62	pa	pa	PROPN
american_scientific_journal-3619	1	63	tamba	tamba	PROPN
american_scientific_journal-3619	1	64	jammehd	jammehd	PROPN
american_scientific_journal-3619	1	65	*	*	PROPN
american_scientific_journal-3619	1	66	a	a	DET
american_scientific_journal-3619	1	67	,	,	PUNCT
american_scientific_journal-3619	1	68	b	b	NOUN
american_scientific_journal-3619	1	69	,	,	PUNCT
american_scientific_journal-3619	1	70	cnational	cnational	ADJ
american_scientific_journal-3619	1	71	advanced	advanced	ADJ
american_scientific_journal-3619	1	72	school	school	NOUN
american_scientific_journal-3619	1	73	of	of	ADP
american_scientific_journal-3619	1	74	engineering	engineering	NOUN
american_scientific_journal-3619	1	75	,	,	PUNCT
american_scientific_journal-3619	1	76	department	department	NOUN
american_scientific_journal-3619	1	77	of	of	ADP
american_scientific_journal-3619	1	78	industrial	industrial	ADJ
american_scientific_journal-3619	1	79	and	and	CCONJ
american_scientific_journal-3619	1	80	mechanical	mechanical	ADJ
american_scientific_journal-3619	1	81	engineering	engineering	NOUN
american_scientific_journal-3619	1	82	,	,	PUNCT
american_scientific_journal-3619	1	83	university	university	NOUN
american_scientific_journal-3619	1	84	of	of	ADP
american_scientific_journal-3619	1	85	yaoundé	yaoundé	PROPN
american_scientific_journal-3619	1	86	i	i	PROPN
american_scientific_journal-3619	1	87	,	,	PUNCT
american_scientific_journal-3619	1	88	bp	bp	PROPN
american_scientific_journal-3619	1	89	8390	8390	NUM
american_scientific_journal-3619	1	90	,	,	PUNCT
american_scientific_journal-3619	1	91	yaoundé	yaoundé	PROPN
american_scientific_journal-3619	1	92	,	,	PUNCT
american_scientific_journal-3619	1	93	cameroon	cameroon	PROPN
american_scientific_journal-3619	1	94	dagricultural	dagricultural	PROPN
american_scientific_journal-3619	1	95	engineering	engineering	PROPN
american_scientific_journal-3619	1	96	service	service	PROPN
american_scientific_journal-3619	1	97	,	,	PUNCT
american_scientific_journal-3619	1	98	department	department	NOUN
american_scientific_journal-3619	1	99	of	of	ADP
american_scientific_journal-3619	1	100	agriculture	agriculture	PROPN
american_scientific_journal-3619	1	101	,	,	PUNCT
american_scientific_journal-3619	1	102	yundum	yundum	PROPN
american_scientific_journal-3619	1	103	agriculture	agriculture	PROPN
american_scientific_journal-3619	1	104	station	station	NOUN
american_scientific_journal-3619	1	105	,	,	PUNCT
american_scientific_journal-3619	1	106	the	the	DET
american_scientific_journal-3619	1	107	gambia	gambia	NOUN
american_scientific_journal-3619	1	108	aemail	aemail	NOUN
american_scientific_journal-3619	1	109	:	:	PUNCT
american_scientific_journal-3619	1	110	theodore.tchotang@polytechnique.cm	theodore.tchotang@polytechnique.cm	ADJ
american_scientific_journal-3619	1	111	,	,	PUNCT
american_scientific_journal-3619	1	112	bemail	bemail	NOUN
american_scientific_journal-3619	1	113	:	:	PUNCT
american_scientific_journal-3619	1	114	jrl67_meva’a@yahoo.com	jrl67_meva’a@yahoo.com	X
american_scientific_journal-3619	1	115	cemail	cemail	NOUN
american_scientific_journal-3619	1	116	:	:	PUNCT
american_scientific_journal-3619	1	117	bienvenu.kenmeugne@polytechnique.cm	bienvenu.kenmeugne@polytechnique.cm	NOUN
american_scientific_journal-3619	1	118	,	,	PUNCT
american_scientific_journal-3619	1	119	demail	demail	NOUN
american_scientific_journal-3619	1	120	:	:	PUNCT
american_scientific_journal-3619	1	121	ptjammeh85@gmail.com	ptjammeh85@gmail.com	X
american_scientific_journal-3619	1	122	abstract	abstract	ADJ
american_scientific_journal-3619	1	123	the	the	DET
american_scientific_journal-3619	1	124	paper	paper	NOUN
american_scientific_journal-3619	1	125	presents	present	VERB
american_scientific_journal-3619	1	126	an	an	DET
american_scientific_journal-3619	1	127	approach	approach	NOUN
american_scientific_journal-3619	1	128	for	for	ADP
american_scientific_journal-3619	1	129	deriving	derive	VERB
american_scientific_journal-3619	1	130	a	a	DET
american_scientific_journal-3619	1	131	mathematical	mathematical	ADJ
american_scientific_journal-3619	1	132	model	model	NOUN
american_scientific_journal-3619	1	133	that	that	PRON
american_scientific_journal-3619	1	134	predict	predict	VERB
american_scientific_journal-3619	1	135	repair	repair	NOUN
american_scientific_journal-3619	1	136	and	and	CCONJ
american_scientific_journal-3619	1	137	maintenance	maintenance	NOUN
american_scientific_journal-3619	1	138	(	(	PUNCT
american_scientific_journal-3619	1	139	r&m	r&m	NOUN
american_scientific_journal-3619	1	140	)	)	PUNCT
american_scientific_journal-3619	1	141	cost	cost	NOUN
american_scientific_journal-3619	1	142	of	of	ADP
american_scientific_journal-3619	1	143	farm	farm	NOUN
american_scientific_journal-3619	1	144	tractors	tractor	NOUN
american_scientific_journal-3619	1	145	in	in	ADP
american_scientific_journal-3619	1	146	the	the	DET
american_scientific_journal-3619	1	147	gambia	gambia	NOUN
american_scientific_journal-3619	1	148	.	.	PUNCT
american_scientific_journal-3619	2	1	as	as	SCONJ
american_scientific_journal-3619	2	2	john	john	PROPN
american_scientific_journal-3619	2	3	deere	deere	PROPN
american_scientific_journal-3619	2	4	(	(	PUNCT
american_scientific_journal-3619	2	5	jd	jd	PROPN
american_scientific_journal-3619	2	6	)	)	PUNCT
american_scientific_journal-3619	2	7	tractors	tractor	NOUN
american_scientific_journal-3619	2	8	are	be	AUX
american_scientific_journal-3619	2	9	widely	widely	ADV
american_scientific_journal-3619	2	10	used	use	VERB
american_scientific_journal-3619	2	11	by	by	ADP
american_scientific_journal-3619	2	12	gambian	gambian	ADJ
american_scientific_journal-3619	2	13	farmers	farmer	NOUN
american_scientific_journal-3619	2	14	,	,	PUNCT
american_scientific_journal-3619	2	15	a	a	DET
american_scientific_journal-3619	2	16	study	study	NOUN
american_scientific_journal-3619	2	17	was	be	AUX
american_scientific_journal-3619	2	18	conducted	conduct	VERB
american_scientific_journal-3619	2	19	to	to	PART
american_scientific_journal-3619	2	20	predict	predict	VERB
american_scientific_journal-3619	2	21	accumulated	accumulate	VERB
american_scientific_journal-3619	2	22	repair	repair	NOUN
american_scientific_journal-3619	2	23	&	&	CCONJ
american_scientific_journal-3619	2	24	maintenance	maintenance	NOUN
american_scientific_journal-3619	2	25	costs	cost	NOUN
american_scientific_journal-3619	2	26	(	(	PUNCT
american_scientific_journal-3619	2	27	y	y	NOUN
american_scientific_journal-3619	2	28	)	)	PUNCT
american_scientific_journal-3619	2	29	of	of	ADP
american_scientific_journal-3619	2	30	the	the	DET
american_scientific_journal-3619	2	31	two	two	NUM
american_scientific_journal-3619	2	32	-	-	PUNCT
american_scientific_journal-3619	2	33	wheel	wheel	NOUN
american_scientific_journal-3619	2	34	drive	drive	NOUN
american_scientific_journal-3619	2	35	(	(	PUNCT
american_scientific_journal-3619	2	36	2wd	2wd	NOUN
american_scientific_journal-3619	2	37	)	)	PUNCT
american_scientific_journal-3619	2	38	jd-5403	jd-5403	PROPN
american_scientific_journal-3619	2	39	tractor	tractor	NOUN
american_scientific_journal-3619	2	40	based	base	VERB
american_scientific_journal-3619	2	41	on	on	ADP
american_scientific_journal-3619	2	42	accumulated	accumulate	VERB
american_scientific_journal-3619	2	43	working	work	VERB
american_scientific_journal-3619	2	44	hours	hour	NOUN
american_scientific_journal-3619	2	45	(	(	PUNCT
american_scientific_journal-3619	2	46	x	x	NOUN
american_scientific_journal-3619	2	47	)	)	PUNCT
american_scientific_journal-3619	2	48	.	.	PUNCT
american_scientific_journal-3619	3	1	in	in	ADP
american_scientific_journal-3619	3	2	order	order	NOUN
american_scientific_journal-3619	3	3	to	to	PART
american_scientific_journal-3619	3	4	determine	determine	VERB
american_scientific_journal-3619	3	5	the	the	DET
american_scientific_journal-3619	3	6	mathematical	mathematical	ADJ
american_scientific_journal-3619	3	7	model	model	NOUN
american_scientific_journal-3619	3	8	for	for	ADP
american_scientific_journal-3619	3	9	the	the	DET
american_scientific_journal-3619	3	10	studied	study	VERB
american_scientific_journal-3619	3	11	tractor	tractor	NOUN
american_scientific_journal-3619	3	12	,	,	PUNCT
american_scientific_journal-3619	3	13	regression	regression	VERB
american_scientific_journal-3619	3	14	analysis	analysis	NOUN
american_scientific_journal-3619	3	15	using	use	VERB
american_scientific_journal-3619	3	16	knowledge	knowledge	NOUN
american_scientific_journal-3619	3	17	based	base	VERB
american_scientific_journal-3619	3	18	analytical	analytical	ADJ
american_scientific_journal-3619	3	19	software	software	NOUN
american_scientific_journal-3619	3	20	(	(	PUNCT
american_scientific_journal-3619	3	21	spss	spss	PROPN
american_scientific_journal-3619	3	22	statistics	statistic	NOUN
american_scientific_journal-3619	3	23	21	21	NUM
american_scientific_journal-3619	3	24	and	and	CCONJ
american_scientific_journal-3619	3	25	excel	excel	VERB
american_scientific_journal-3619	3	26	2016	2016	NUM
american_scientific_journal-3619	3	27	version	version	NOUN
american_scientific_journal-3619	3	28	)	)	PUNCT
american_scientific_journal-3619	3	29	was	be	AUX
american_scientific_journal-3619	3	30	performed	perform	VERB
american_scientific_journal-3619	3	31	on	on	ADP
american_scientific_journal-3619	3	32	the	the	DET
american_scientific_journal-3619	3	33	calculated	calculate	VERB
american_scientific_journal-3619	3	34	data	datum	NOUN
american_scientific_journal-3619	3	35	generating	generate	VERB
american_scientific_journal-3619	3	36	five	five	NUM
american_scientific_journal-3619	3	37	regression	regression	NOUN
american_scientific_journal-3619	3	38	models	model	NOUN
american_scientific_journal-3619	3	39	:	:	PUNCT
american_scientific_journal-3619	3	40	linear	linear	ADJ
american_scientific_journal-3619	3	41	,	,	PUNCT
american_scientific_journal-3619	3	42	logarithmic	logarithmic	ADJ
american_scientific_journal-3619	3	43	,	,	PUNCT
american_scientific_journal-3619	3	44	polynomial	polynomial	ADJ
american_scientific_journal-3619	3	45	,	,	PUNCT
american_scientific_journal-3619	3	46	power	power	NOUN
american_scientific_journal-3619	3	47	and	and	CCONJ
american_scientific_journal-3619	3	48	exponential	exponential	NOUN
american_scientific_journal-3619	3	49	.	.	PUNCT
american_scientific_journal-3619	4	1	the	the	DET
american_scientific_journal-3619	4	2	statistical	statistical	ADJ
american_scientific_journal-3619	4	3	results	result	NOUN
american_scientific_journal-3619	4	4	showed	show	VERB
american_scientific_journal-3619	4	5	that	that	SCONJ
american_scientific_journal-3619	4	6	the	the	DET
american_scientific_journal-3619	4	7	polynomial	polynomial	ADJ
american_scientific_journal-3619	4	8	model	model	NOUN
american_scientific_journal-3619	4	9	gave	give	VERB
american_scientific_journal-3619	4	10	better	well	ADJ
american_scientific_journal-3619	4	11	cost	cost	NOUN
american_scientific_journal-3619	4	12	prediction	prediction	NOUN
american_scientific_journal-3619	4	13	with	with	ADP
american_scientific_journal-3619	4	14	higher	high	ADJ
american_scientific_journal-3619	4	15	confidence	confidence	NOUN
american_scientific_journal-3619	4	16	and	and	CCONJ
american_scientific_journal-3619	4	17	less	less	ADJ
american_scientific_journal-3619	4	18	variation	variation	NOUN
american_scientific_journal-3619	4	19	than	than	ADP
american_scientific_journal-3619	4	20	other	other	ADJ
american_scientific_journal-3619	4	21	models	model	NOUN
american_scientific_journal-3619	4	22	.	.	PUNCT
american_scientific_journal-3619	5	1	finally	finally	ADV
american_scientific_journal-3619	5	2	,	,	PUNCT
american_scientific_journal-3619	5	3	it	it	PRON
american_scientific_journal-3619	5	4	was	be	AUX
american_scientific_journal-3619	5	5	established	establish	VERB
american_scientific_journal-3619	5	6	that	that	SCONJ
american_scientific_journal-3619	5	7	repair	repair	NOUN
american_scientific_journal-3619	5	8	and	and	CCONJ
american_scientific_journal-3619	5	9	maintenance	maintenance	NOUN
american_scientific_journal-3619	5	10	cost	cost	NOUN
american_scientific_journal-3619	5	11	increased	increase	VERB
american_scientific_journal-3619	5	12	with	with	ADP
american_scientific_journal-3619	5	13	an	an	DET
american_scientific_journal-3619	5	14	increase	increase	NOUN
american_scientific_journal-3619	5	15	in	in	ADP
american_scientific_journal-3619	5	16	working	work	VERB
american_scientific_journal-3619	5	17	hours	hour	NOUN
american_scientific_journal-3619	5	18	of	of	ADP
american_scientific_journal-3619	5	19	jd-5403	jd-5403	PROPN
american_scientific_journal-3619	5	20	tractor	tractor	NOUN
american_scientific_journal-3619	5	21	.	.	PUNCT
american_scientific_journal-3619	6	1	keywords	keyword	NOUN
american_scientific_journal-3619	6	2	:	:	PUNCT
american_scientific_journal-3619	6	3	statistical	statistical	ADJ
american_scientific_journal-3619	6	4	analysis	analysis	NOUN
american_scientific_journal-3619	6	5	;	;	PUNCT
american_scientific_journal-3619	6	6	r&m	r&m	NOUN
american_scientific_journal-3619	6	7	cost	cost	NOUN
american_scientific_journal-3619	6	8	;	;	PUNCT
american_scientific_journal-3619	6	9	2wd	2wd	ADJ
american_scientific_journal-3619	6	10	-	-	PUNCT
american_scientific_journal-3619	6	11	tractor	tractor	NOUN
american_scientific_journal-3619	6	12	;	;	PUNCT
american_scientific_journal-3619	6	13	jd-5403	jd-5403	NOUN
american_scientific_journal-3619	6	14	;	;	PUNCT
american_scientific_journal-3619	6	15	the	the	DET
american_scientific_journal-3619	6	16	gambia	gambia	NOUN
american_scientific_journal-3619	6	17	.	.	PUNCT
american_scientific_journal-3619	7	1	1	1	X
american_scientific_journal-3619	7	2	.	.	X
american_scientific_journal-3619	7	3	introduction	introduction	NOUN
american_scientific_journal-3619	7	4	machinery	machinery	NOUN
american_scientific_journal-3619	7	5	and	and	CCONJ
american_scientific_journal-3619	7	6	equipment	equipment	NOUN
american_scientific_journal-3619	7	7	are	be	AUX
american_scientific_journal-3619	7	8	major	major	ADJ
american_scientific_journal-3619	7	9	cost	cost	NOUN
american_scientific_journal-3619	7	10	items	item	NOUN
american_scientific_journal-3619	7	11	in	in	ADP
american_scientific_journal-3619	7	12	farm	farm	NOUN
american_scientific_journal-3619	7	13	businesses	business	NOUN
american_scientific_journal-3619	7	14	.	.	PUNCT
american_scientific_journal-3619	8	1	larger	large	ADJ
american_scientific_journal-3619	8	2	machines	machine	NOUN
american_scientific_journal-3619	8	3	,	,	PUNCT
american_scientific_journal-3619	8	4	new	new	ADJ
american_scientific_journal-3619	8	5	technology	technology	NOUN
american_scientific_journal-3619	8	6	,	,	PUNCT
american_scientific_journal-3619	8	7	higher	high	ADJ
american_scientific_journal-3619	8	8	prices	price	NOUN
american_scientific_journal-3619	8	9	for	for	ADP
american_scientific_journal-3619	8	10	parts	part	NOUN
american_scientific_journal-3619	8	11	and	and	CCONJ
american_scientific_journal-3619	8	12	new	new	ADJ
american_scientific_journal-3619	8	13	machinery	machinery	NOUN
american_scientific_journal-3619	8	14	,	,	PUNCT
american_scientific_journal-3619	8	15	and	and	CCONJ
american_scientific_journal-3619	8	16	higher	high	ADJ
american_scientific_journal-3619	8	17	energy	energy	NOUN
american_scientific_journal-3619	8	18	prices	price	NOUN
american_scientific_journal-3619	8	19	have	have	AUX
american_scientific_journal-3619	8	20	all	all	PRON
american_scientific_journal-3619	8	21	caused	cause	VERB
american_scientific_journal-3619	8	22	machinery	machinery	NOUN
american_scientific_journal-3619	8	23	and	and	CCONJ
american_scientific_journal-3619	8	24	power	power	NOUN
american_scientific_journal-3619	8	25	costs	cost	NOUN
american_scientific_journal-3619	8	26	to	to	PART
american_scientific_journal-3619	8	27	rise	rise	VERB
american_scientific_journal-3619	8	28	in	in	ADP
american_scientific_journal-3619	8	29	recent	recent	ADJ
american_scientific_journal-3619	8	30	years	year	NOUN
american_scientific_journal-3619	8	31	.	.	PUNCT
american_scientific_journal-3619	9	1	however	however	ADV
american_scientific_journal-3619	9	2	,	,	PUNCT
american_scientific_journal-3619	9	3	good	good	ADJ
american_scientific_journal-3619	9	4	machinery	machinery	NOUN
american_scientific_journal-3619	9	5	managers	manager	NOUN
american_scientific_journal-3619	9	6	can	can	AUX
american_scientific_journal-3619	9	7	control	control	VERB
american_scientific_journal-3619	9	8	machinery	machinery	NOUN
american_scientific_journal-3619	9	9	and	and	CCONJ
american_scientific_journal-3619	9	10	power	power	NOUN
american_scientific_journal-3619	9	11	costs	cost	NOUN
american_scientific_journal-3619	9	12	per	per	ADP
american_scientific_journal-3619	9	13	acre	acre	NOUN
american_scientific_journal-3619	9	14	.	.	PUNCT
american_scientific_journal-3619	10	1	-----------------------------------------------------------------------	-----------------------------------------------------------------------	PUNCT
american_scientific_journal-3619	11	1	*	*	PUNCT
american_scientific_journal-3619	11	2	corresponding	correspond	VERB
american_scientific_journal-3619	11	3	author	author	NOUN
american_scientific_journal-3619	11	4	.	.	PUNCT
american_scientific_journal-3619	12	1	http://asrjetsjournal.org/	http://asrjetsjournal.org/	PROPN
american_scientific_journal-3619	12	2	american	american	PROPN
american_scientific_journal-3619	12	3	scientific	scientific	PROPN
american_scientific_journal-3619	12	4	research	research	NOUN
american_scientific_journal-3619	12	5	journal	journal	NOUN
american_scientific_journal-3619	12	6	for	for	ADP
american_scientific_journal-3619	12	7	engineering	engineering	NOUN
american_scientific_journal-3619	12	8	,	,	PUNCT
american_scientific_journal-3619	12	9	technology	technology	NOUN
american_scientific_journal-3619	12	10	,	,	PUNCT
american_scientific_journal-3619	12	11	and	and	CCONJ
american_scientific_journal-3619	12	12	sciences	science	NOUN
american_scientific_journal-3619	12	13	(	(	PUNCT
american_scientific_journal-3619	12	14	asrjets	asrjet	NOUN
american_scientific_journal-3619	12	15	)	)	PUNCT
american_scientific_journal-3619	12	16	(	(	PUNCT
american_scientific_journal-3619	12	17	2017	2017	NUM
american_scientific_journal-3619	12	18	)	)	PUNCT
american_scientific_journal-3619	12	19	volume	volume	NOUN
american_scientific_journal-3619	12	20	38	38	NUM
american_scientific_journal-3619	12	21	,	,	PUNCT
american_scientific_journal-3619	12	22	no	no	DET
american_scientific_journal-3619	12	23	2	2	NUM
american_scientific_journal-3619	12	24	,	,	PUNCT
american_scientific_journal-3619	12	25	pp	pp	ADV
american_scientific_journal-3619	12	26	214	214	NUM
american_scientific_journal-3619	12	27	-	-	SYM
american_scientific_journal-3619	12	28	225	225	NUM
american_scientific_journal-3619	12	29	215	215	NUM
american_scientific_journal-3619	12	30	making	make	VERB
american_scientific_journal-3619	12	31	smart	smart	ADJ
american_scientific_journal-3619	12	32	decisions	decision	NOUN
american_scientific_journal-3619	12	33	about	about	ADP
american_scientific_journal-3619	12	34	how	how	SCONJ
american_scientific_journal-3619	12	35	to	to	PART
american_scientific_journal-3619	12	36	acquire	acquire	VERB
american_scientific_journal-3619	12	37	machinery	machinery	NOUN
american_scientific_journal-3619	12	38	,	,	PUNCT
american_scientific_journal-3619	12	39	when	when	SCONJ
american_scientific_journal-3619	12	40	to	to	PART
american_scientific_journal-3619	12	41	trade	trade	VERB
american_scientific_journal-3619	12	42	,	,	PUNCT
american_scientific_journal-3619	12	43	and	and	CCONJ
american_scientific_journal-3619	12	44	how	how	SCONJ
american_scientific_journal-3619	12	45	much	much	ADJ
american_scientific_journal-3619	12	46	capacity	capacity	NOUN
american_scientific_journal-3619	12	47	to	to	PART
american_scientific_journal-3619	12	48	invest	invest	VERB
american_scientific_journal-3619	12	49	in	in	ADP
american_scientific_journal-3619	12	50	can	can	AUX
american_scientific_journal-3619	12	51	reduce	reduce	VERB
american_scientific_journal-3619	12	52	machinery	machinery	NOUN
american_scientific_journal-3619	12	53	costs	cost	NOUN
american_scientific_journal-3619	12	54	as	as	ADV
american_scientific_journal-3619	12	55	much	much	ADJ
american_scientific_journal-3619	12	56	as	as	ADP
american_scientific_journal-3619	12	57	$	$	SYM
american_scientific_journal-3619	12	58	50	50	NUM
american_scientific_journal-3619	12	59	per	per	ADP
american_scientific_journal-3619	12	60	acre	acre	NOUN
american_scientific_journal-3619	12	61	.	.	PUNCT
american_scientific_journal-3619	13	1	all	all	DET
american_scientific_journal-3619	13	2	these	these	DET
american_scientific_journal-3619	13	3	decisions	decision	NOUN
american_scientific_journal-3619	13	4	require	require	VERB
american_scientific_journal-3619	13	5	accurate	accurate	ADJ
american_scientific_journal-3619	13	6	estimates	estimate	NOUN
american_scientific_journal-3619	13	7	of	of	ADP
american_scientific_journal-3619	13	8	the	the	DET
american_scientific_journal-3619	13	9	costs	cost	NOUN
american_scientific_journal-3619	13	10	of	of	ADP
american_scientific_journal-3619	13	11	owning	own	VERB
american_scientific_journal-3619	13	12	and	and	CCONJ
american_scientific_journal-3619	13	13	operating	operate	VERB
american_scientific_journal-3619	13	14	farm	farm	NOUN
american_scientific_journal-3619	13	15	machinery	machinery	NOUN
american_scientific_journal-3619	13	16	[	[	X
american_scientific_journal-3619	13	17	1	1	NUM
american_scientific_journal-3619	13	18	]	]	PUNCT
american_scientific_journal-3619	13	19	.	.	PUNCT
american_scientific_journal-3619	14	1	gambia	gambia	PROPN
american_scientific_journal-3619	14	2	’s	’s	PART
american_scientific_journal-3619	14	3	agricultural	agricultural	ADJ
american_scientific_journal-3619	14	4	mechanization	mechanization	NOUN
american_scientific_journal-3619	14	5	technology	technology	NOUN
american_scientific_journal-3619	14	6	has	have	AUX
american_scientific_journal-3619	14	7	continued	continue	VERB
american_scientific_journal-3619	14	8	to	to	PART
american_scientific_journal-3619	14	9	be	be	AUX
american_scientific_journal-3619	14	10	import	import	NOUN
american_scientific_journal-3619	14	11	-	-	PUNCT
american_scientific_journal-3619	14	12	oriented	orient	VERB
american_scientific_journal-3619	14	13	.	.	PUNCT
american_scientific_journal-3619	15	1	over	over	ADP
american_scientific_journal-3619	15	2	the	the	DET
american_scientific_journal-3619	15	3	years	year	NOUN
american_scientific_journal-3619	15	4	,	,	PUNCT
american_scientific_journal-3619	15	5	the	the	DET
american_scientific_journal-3619	15	6	government	government	NOUN
american_scientific_journal-3619	15	7	in	in	ADP
american_scientific_journal-3619	15	8	response	response	NOUN
american_scientific_journal-3619	15	9	to	to	ADP
american_scientific_journal-3619	15	10	the	the	DET
american_scientific_journal-3619	15	11	national	national	ADJ
american_scientific_journal-3619	15	12	plight	plight	NOUN
american_scientific_journal-3619	15	13	of	of	ADP
american_scientific_journal-3619	15	14	farmers	farmer	NOUN
american_scientific_journal-3619	15	15	to	to	PART
american_scientific_journal-3619	15	16	alleviate	alleviate	VERB
american_scientific_journal-3619	15	17	their	their	PRON
american_scientific_journal-3619	15	18	labor	labor	NOUN
american_scientific_journal-3619	15	19	shortage	shortage	NOUN
american_scientific_journal-3619	15	20	,	,	PUNCT
american_scientific_journal-3619	15	21	has	have	AUX
american_scientific_journal-3619	15	22	brought	bring	VERB
american_scientific_journal-3619	15	23	into	into	ADP
american_scientific_journal-3619	15	24	the	the	DET
american_scientific_journal-3619	15	25	country	country	NOUN
american_scientific_journal-3619	15	26	agricultural	agricultural	ADJ
american_scientific_journal-3619	15	27	machines	machine	NOUN
american_scientific_journal-3619	15	28	and	and	CCONJ
american_scientific_journal-3619	15	29	equipment	equipment	NOUN
american_scientific_journal-3619	15	30	.	.	PUNCT
american_scientific_journal-3619	16	1	the	the	DET
american_scientific_journal-3619	16	2	maintenance	maintenance	NOUN
american_scientific_journal-3619	16	3	of	of	ADP
american_scientific_journal-3619	16	4	these	these	DET
american_scientific_journal-3619	16	5	machines	machine	NOUN
american_scientific_journal-3619	16	6	is	be	AUX
american_scientific_journal-3619	16	7	paramount	paramount	ADJ
american_scientific_journal-3619	16	8	in	in	ADP
american_scientific_journal-3619	16	9	order	order	NOUN
american_scientific_journal-3619	16	10	to	to	PART
american_scientific_journal-3619	16	11	get	get	VERB
american_scientific_journal-3619	16	12	the	the	DET
american_scientific_journal-3619	16	13	expected	expect	VERB
american_scientific_journal-3619	16	14	results	result	NOUN
american_scientific_journal-3619	16	15	of	of	ADP
american_scientific_journal-3619	16	16	increasing	increase	VERB
american_scientific_journal-3619	16	17	the	the	DET
american_scientific_journal-3619	16	18	productivity	productivity	NOUN
american_scientific_journal-3619	16	19	of	of	ADP
american_scientific_journal-3619	16	20	the	the	DET
american_scientific_journal-3619	16	21	gambian	gambian	ADJ
american_scientific_journal-3619	16	22	farmer	farmer	NOUN
american_scientific_journal-3619	16	23	leading	lead	VERB
american_scientific_journal-3619	16	24	to	to	PART
american_scientific_journal-3619	16	25	increase	increase	VERB
american_scientific_journal-3619	16	26	in	in	ADP
american_scientific_journal-3619	16	27	food	food	NOUN
american_scientific_journal-3619	16	28	production	production	NOUN
american_scientific_journal-3619	16	29	.	.	PUNCT
american_scientific_journal-3619	17	1	accurate	accurate	ADJ
american_scientific_journal-3619	17	2	prediction	prediction	NOUN
american_scientific_journal-3619	17	3	of	of	ADP
american_scientific_journal-3619	17	4	repair	repair	NOUN
american_scientific_journal-3619	17	5	&	&	CCONJ
american_scientific_journal-3619	17	6	maintenance	maintenance	NOUN
american_scientific_journal-3619	17	7	cost	cost	NOUN
american_scientific_journal-3619	17	8	trends	trend	NOUN
american_scientific_journal-3619	17	9	is	be	AUX
american_scientific_journal-3619	17	10	critical	critical	ADJ
american_scientific_journal-3619	17	11	in	in	ADP
american_scientific_journal-3619	17	12	determining	determine	VERB
american_scientific_journal-3619	17	13	the	the	DET
american_scientific_journal-3619	17	14	optimum	optimum	ADJ
american_scientific_journal-3619	17	15	economical	economical	ADJ
american_scientific_journal-3619	17	16	life	life	NOUN
american_scientific_journal-3619	17	17	of	of	ADP
american_scientific_journal-3619	17	18	agricultural	agricultural	ADJ
american_scientific_journal-3619	17	19	machines	machine	NOUN
american_scientific_journal-3619	17	20	as	as	ADV
american_scientific_journal-3619	17	21	well	well	ADV
american_scientific_journal-3619	17	22	as	as	ADP
american_scientific_journal-3619	17	23	making	make	VERB
american_scientific_journal-3619	17	24	appropriate	appropriate	ADJ
american_scientific_journal-3619	17	25	decisions	decision	NOUN
american_scientific_journal-3619	17	26	for	for	ADP
american_scientific_journal-3619	17	27	machinery	machinery	NOUN
american_scientific_journal-3619	17	28	replacements	replacement	NOUN
american_scientific_journal-3619	17	29	and	and	CCONJ
american_scientific_journal-3619	17	30	general	general	ADJ
american_scientific_journal-3619	17	31	farm	farm	NOUN
american_scientific_journal-3619	17	32	management	management	NOUN
american_scientific_journal-3619	17	33	purposes	purpose	NOUN
american_scientific_journal-3619	17	34	[	[	X
american_scientific_journal-3619	17	35	2	2	NUM
american_scientific_journal-3619	17	36	]	]	PUNCT
american_scientific_journal-3619	17	37	.	.	PUNCT
american_scientific_journal-3619	18	1	one	one	NUM
american_scientific_journal-3619	18	2	of	of	ADP
american_scientific_journal-3619	18	3	the	the	DET
american_scientific_journal-3619	18	4	difficulties	difficulty	NOUN
american_scientific_journal-3619	18	5	in	in	ADP
american_scientific_journal-3619	18	6	analyzing	analyze	VERB
american_scientific_journal-3619	18	7	r&m	r&m	NOUN
american_scientific_journal-3619	18	8	costs	cost	NOUN
american_scientific_journal-3619	18	9	is	be	AUX
american_scientific_journal-3619	18	10	that	that	SCONJ
american_scientific_journal-3619	18	11	they	they	PRON
american_scientific_journal-3619	18	12	change	change	VERB
american_scientific_journal-3619	18	13	over	over	ADP
american_scientific_journal-3619	18	14	time	time	NOUN
american_scientific_journal-3619	18	15	.	.	PUNCT
american_scientific_journal-3619	19	1	depreciation	depreciation	NOUN
american_scientific_journal-3619	19	2	tends	tend	VERB
american_scientific_journal-3619	19	3	to	to	PART
american_scientific_journal-3619	19	4	be	be	AUX
american_scientific_journal-3619	19	5	great	great	ADJ
american_scientific_journal-3619	19	6	at	at	ADP
american_scientific_journal-3619	19	7	first	first	ADV
american_scientific_journal-3619	19	8	,	,	PUNCT
american_scientific_journal-3619	19	9	especially	especially	ADV
american_scientific_journal-3619	19	10	for	for	ADP
american_scientific_journal-3619	19	11	a	a	DET
american_scientific_journal-3619	19	12	machine	machine	NOUN
american_scientific_journal-3619	19	13	purchased	purchase	VERB
american_scientific_journal-3619	19	14	new	new	ADJ
american_scientific_journal-3619	19	15	,	,	PUNCT
american_scientific_journal-3619	19	16	but	but	CCONJ
american_scientific_journal-3619	19	17	declines	decline	NOUN
american_scientific_journal-3619	19	18	over	over	ADP
american_scientific_journal-3619	19	19	time	time	NOUN
american_scientific_journal-3619	19	20	.	.	PUNCT
american_scientific_journal-3619	20	1	likewise	likewise	ADV
american_scientific_journal-3619	20	2	,	,	PUNCT
american_scientific_journal-3619	20	3	interest	interest	NOUN
american_scientific_journal-3619	20	4	expense	expense	NOUN
american_scientific_journal-3619	20	5	is	be	AUX
american_scientific_journal-3619	20	6	high	high	ADJ
american_scientific_journal-3619	20	7	initially	initially	ADV
american_scientific_journal-3619	20	8	but	but	CCONJ
american_scientific_journal-3619	20	9	gradually	gradually	ADV
american_scientific_journal-3619	20	10	diminishes	diminish	VERB
american_scientific_journal-3619	20	11	.	.	PUNCT
american_scientific_journal-3619	21	1	this	this	PRON
american_scientific_journal-3619	21	2	is	be	AUX
american_scientific_journal-3619	21	3	true	true	ADJ
american_scientific_journal-3619	21	4	whether	whether	SCONJ
american_scientific_journal-3619	21	5	the	the	DET
american_scientific_journal-3619	21	6	interest	interest	NOUN
american_scientific_journal-3619	21	7	cost	cost	NOUN
american_scientific_journal-3619	21	8	is	be	AUX
american_scientific_journal-3619	21	9	cash	cash	NOUN
american_scientific_journal-3619	21	10	interest	interest	NOUN
american_scientific_journal-3619	21	11	paid	pay	VERB
american_scientific_journal-3619	21	12	on	on	ADP
american_scientific_journal-3619	21	13	a	a	DET
american_scientific_journal-3619	21	14	loan	loan	NOUN
american_scientific_journal-3619	21	15	,	,	PUNCT
american_scientific_journal-3619	21	16	or	or	CCONJ
american_scientific_journal-3619	21	17	an	an	DET
american_scientific_journal-3619	21	18	opportunity	opportunity	NOUN
american_scientific_journal-3619	21	19	cost	cost	NOUN
american_scientific_journal-3619	21	20	based	base	VERB
american_scientific_journal-3619	21	21	on	on	ADP
american_scientific_journal-3619	21	22	revenue	revenue	NOUN
american_scientific_journal-3619	21	23	foregone	foregone	NOUN
american_scientific_journal-3619	21	24	by	by	ADP
american_scientific_journal-3619	21	25	continuing	continue	VERB
american_scientific_journal-3619	21	26	to	to	PART
american_scientific_journal-3619	21	27	own	own	VERB
american_scientific_journal-3619	21	28	a	a	DET
american_scientific_journal-3619	21	29	machine	machine	NOUN
american_scientific_journal-3619	21	30	year	year	NOUN
american_scientific_journal-3619	21	31	after	after	ADP
american_scientific_journal-3619	21	32	year	year	NOUN
american_scientific_journal-3619	21	33	.	.	PUNCT
american_scientific_journal-3619	22	1	on	on	ADP
american_scientific_journal-3619	22	2	the	the	DET
american_scientific_journal-3619	22	3	other	other	ADJ
american_scientific_journal-3619	22	4	hand	hand	NOUN
american_scientific_journal-3619	22	5	,	,	PUNCT
american_scientific_journal-3619	22	6	repair	repair	NOUN
american_scientific_journal-3619	22	7	costs	cost	NOUN
american_scientific_journal-3619	22	8	may	may	AUX
american_scientific_journal-3619	22	9	amount	amount	VERB
american_scientific_journal-3619	22	10	to	to	ADP
american_scientific_journal-3619	22	11	little	little	ADJ
american_scientific_journal-3619	22	12	or	or	CCONJ
american_scientific_journal-3619	22	13	nothing	nothing	PRON
american_scientific_journal-3619	22	14	when	when	SCONJ
american_scientific_journal-3619	22	15	a	a	DET
american_scientific_journal-3619	22	16	machine	machine	NOUN
american_scientific_journal-3619	22	17	is	be	AUX
american_scientific_journal-3619	22	18	still	still	ADV
american_scientific_journal-3619	22	19	under	under	ADP
american_scientific_journal-3619	22	20	warranty	warranty	NOUN
american_scientific_journal-3619	22	21	,	,	PUNCT
american_scientific_journal-3619	22	22	but	but	CCONJ
american_scientific_journal-3619	22	23	eventually	eventually	ADV
american_scientific_journal-3619	22	24	increase	increase	VERB
american_scientific_journal-3619	22	25	as	as	SCONJ
american_scientific_journal-3619	22	26	parts	part	NOUN
american_scientific_journal-3619	22	27	wear	wear	VERB
american_scientific_journal-3619	22	28	out	out	ADP
american_scientific_journal-3619	22	29	and	and	CCONJ
american_scientific_journal-3619	22	30	maintenance	maintenance	NOUN
american_scientific_journal-3619	22	31	requirements	requirement	NOUN
american_scientific_journal-3619	22	32	rise	rise	VERB
american_scientific_journal-3619	22	33	.	.	PUNCT
american_scientific_journal-3619	23	1	fuel	fuel	NOUN
american_scientific_journal-3619	23	2	and	and	CCONJ
american_scientific_journal-3619	23	3	lubrication	lubrication	NOUN
american_scientific_journal-3619	23	4	costs	cost	NOUN
american_scientific_journal-3619	23	5	usually	usually	ADV
american_scientific_journal-3619	23	6	do	do	AUX
american_scientific_journal-3619	23	7	not	not	PART
american_scientific_journal-3619	23	8	change	change	VERB
american_scientific_journal-3619	23	9	much	much	ADV
american_scientific_journal-3619	23	10	over	over	ADP
american_scientific_journal-3619	23	11	time	time	NOUN
american_scientific_journal-3619	23	12	,	,	PUNCT
american_scientific_journal-3619	23	13	although	although	SCONJ
american_scientific_journal-3619	23	14	an	an	DET
american_scientific_journal-3619	23	15	older	old	ADJ
american_scientific_journal-3619	23	16	engine	engine	NOUN
american_scientific_journal-3619	23	17	may	may	AUX
american_scientific_journal-3619	23	18	eventually	eventually	ADV
american_scientific_journal-3619	23	19	lose	lose	VERB
american_scientific_journal-3619	23	20	some	some	DET
american_scientific_journal-3619	23	21	degree	degree	NOUN
american_scientific_journal-3619	23	22	of	of	ADP
american_scientific_journal-3619	23	23	fuel	fuel	NOUN
american_scientific_journal-3619	23	24	efficiency	efficiency	NOUN
american_scientific_journal-3619	23	25	[	[	X
american_scientific_journal-3619	23	26	3	3	NUM
american_scientific_journal-3619	23	27	]	]	PUNCT
american_scientific_journal-3619	23	28	.	.	PUNCT
american_scientific_journal-3619	24	1	in	in	ADP
american_scientific_journal-3619	24	2	order	order	NOUN
american_scientific_journal-3619	24	3	to	to	PART
american_scientific_journal-3619	24	4	specify	specify	VERB
american_scientific_journal-3619	24	5	the	the	DET
american_scientific_journal-3619	24	6	repair	repair	NOUN
american_scientific_journal-3619	24	7	and	and	CCONJ
american_scientific_journal-3619	24	8	maintenance	maintenance	NOUN
american_scientific_journal-3619	24	9	factor	factor	NOUN
american_scientific_journal-3619	24	10	,	,	PUNCT
american_scientific_journal-3619	24	11	a	a	DET
american_scientific_journal-3619	24	12	regression	regression	NOUN
american_scientific_journal-3619	24	13	analysis	analysis	NOUN
american_scientific_journal-3619	24	14	explaining	explain	VERB
american_scientific_journal-3619	24	15	the	the	DET
american_scientific_journal-3619	24	16	accumulated	accumulate	VERB
american_scientific_journal-3619	24	17	repair	repair	NOUN
american_scientific_journal-3619	24	18	and	and	CCONJ
american_scientific_journal-3619	24	19	maintenance	maintenance	NOUN
american_scientific_journal-3619	24	20	costs	cost	NOUN
american_scientific_journal-3619	24	21	as	as	ADP
american_scientific_journal-3619	24	22	a	a	DET
american_scientific_journal-3619	24	23	function	function	NOUN
american_scientific_journal-3619	24	24	of	of	ADP
american_scientific_journal-3619	24	25	accumulated	accumulate	VERB
american_scientific_journal-3619	24	26	work	work	NOUN
american_scientific_journal-3619	24	27	units	unit	NOUN
american_scientific_journal-3619	24	28	is	be	AUX
american_scientific_journal-3619	24	29	typically	typically	ADV
american_scientific_journal-3619	24	30	performed	perform	VERB
american_scientific_journal-3619	24	31	.	.	PUNCT
american_scientific_journal-3619	25	1	introducing	introduce	VERB
american_scientific_journal-3619	25	2	the	the	DET
american_scientific_journal-3619	25	3	estimated	estimate	VERB
american_scientific_journal-3619	25	4	service	service	NOUN
american_scientific_journal-3619	25	5	life	life	NOUN
american_scientific_journal-3619	25	6	as	as	ADP
american_scientific_journal-3619	25	7	accumulated	accumulate	VERB
american_scientific_journal-3619	25	8	work	work	NOUN
american_scientific_journal-3619	25	9	units	unit	NOUN
american_scientific_journal-3619	25	10	in	in	ADP
american_scientific_journal-3619	25	11	the	the	DET
american_scientific_journal-3619	25	12	estimated	estimate	VERB
american_scientific_journal-3619	25	13	function	function	NOUN
american_scientific_journal-3619	25	14	yields	yield	VERB
american_scientific_journal-3619	25	15	the	the	DET
american_scientific_journal-3619	25	16	repair	repair	NOUN
american_scientific_journal-3619	25	17	and	and	CCONJ
american_scientific_journal-3619	25	18	maintenance	maintenance	NOUN
american_scientific_journal-3619	25	19	factor	factor	NOUN
american_scientific_journal-3619	25	20	.	.	PUNCT
american_scientific_journal-3619	26	1	although	although	SCONJ
american_scientific_journal-3619	26	2	widely	widely	ADV
american_scientific_journal-3619	26	3	applied	apply	VERB
american_scientific_journal-3619	26	4	,	,	PUNCT
american_scientific_journal-3619	26	5	this	this	DET
american_scientific_journal-3619	26	6	approach	approach	NOUN
american_scientific_journal-3619	26	7	suffers	suffer	VERB
american_scientific_journal-3619	26	8	from	from	ADP
american_scientific_journal-3619	26	9	two	two	NUM
american_scientific_journal-3619	26	10	limitations	limitation	NOUN
american_scientific_journal-3619	26	11	.	.	PUNCT
american_scientific_journal-3619	27	1	firstly	firstly	ADV
american_scientific_journal-3619	27	2	,	,	PUNCT
american_scientific_journal-3619	27	3	only	only	ADV
american_scientific_journal-3619	27	4	one	one	NUM
american_scientific_journal-3619	27	5	independent	independent	ADJ
american_scientific_journal-3619	27	6	variable	variable	NOUN
american_scientific_journal-3619	27	7	is	be	AUX
american_scientific_journal-3619	27	8	used	use	VERB
american_scientific_journal-3619	27	9	,	,	PUNCT
american_scientific_journal-3619	27	10	which	which	PRON
american_scientific_journal-3619	27	11	reduces	reduce	VERB
american_scientific_journal-3619	27	12	the	the	DET
american_scientific_journal-3619	27	13	explanatory	explanatory	ADJ
american_scientific_journal-3619	27	14	power	power	NOUN
american_scientific_journal-3619	27	15	.	.	PUNCT
american_scientific_journal-3619	28	1	as	as	ADP
american_scientific_journal-3619	28	2	an	an	DET
american_scientific_journal-3619	28	3	important	important	ADJ
american_scientific_journal-3619	28	4	reason	reason	NOUN
american_scientific_journal-3619	28	5	for	for	ADP
american_scientific_journal-3619	28	6	this	this	PRON
american_scientific_journal-3619	28	7	,	,	PUNCT
american_scientific_journal-3619	28	8	a	a	DET
american_scientific_journal-3619	28	9	couple	couple	NOUN
american_scientific_journal-3619	28	10	of	of	ADP
american_scientific_journal-3619	28	11	analyses	analysis	NOUN
american_scientific_journal-3619	28	12	compare	compare	VERB
american_scientific_journal-3619	28	13	several	several	ADJ
american_scientific_journal-3619	28	14	functional	functional	ADJ
american_scientific_journal-3619	28	15	forms	form	NOUN
american_scientific_journal-3619	28	16	,	,	PUNCT
american_scientific_journal-3619	28	17	including	include	VERB
american_scientific_journal-3619	28	18	quadratic	quadratic	ADJ
american_scientific_journal-3619	28	19	form	form	NOUN
american_scientific_journal-3619	28	20	.	.	PUNCT
american_scientific_journal-3619	29	1	secondly	secondly	ADV
american_scientific_journal-3619	29	2	,	,	PUNCT
american_scientific_journal-3619	29	3	data	datum	NOUN
american_scientific_journal-3619	29	4	requirements	requirement	NOUN
american_scientific_journal-3619	29	5	are	be	AUX
american_scientific_journal-3619	29	6	substantial	substantial	ADJ
american_scientific_journal-3619	29	7	,	,	PUNCT
american_scientific_journal-3619	29	8	with	with	ADP
american_scientific_journal-3619	29	9	accumulated	accumulate	VERB
american_scientific_journal-3619	29	10	repair	repair	NOUN
american_scientific_journal-3619	29	11	and	and	CCONJ
american_scientific_journal-3619	29	12	maintenance	maintenance	NOUN
american_scientific_journal-3619	29	13	costs	cost	NOUN
american_scientific_journal-3619	29	14	as	as	ADV
american_scientific_journal-3619	29	15	well	well	ADV
american_scientific_journal-3619	29	16	as	as	ADP
american_scientific_journal-3619	29	17	accumulated	accumulate	VERB
american_scientific_journal-3619	29	18	work	work	NOUN
american_scientific_journal-3619	29	19	units	unit	NOUN
american_scientific_journal-3619	29	20	being	be	AUX
american_scientific_journal-3619	29	21	necessary	necessary	ADJ
american_scientific_journal-3619	29	22	for	for	ADP
american_scientific_journal-3619	29	23	each	each	DET
american_scientific_journal-3619	29	24	machine	machine	NOUN
american_scientific_journal-3619	29	25	.	.	PUNCT
american_scientific_journal-3619	30	1	to	to	PART
american_scientific_journal-3619	30	2	follow	follow	VERB
american_scientific_journal-3619	30	3	the	the	DET
american_scientific_journal-3619	30	4	trend	trend	NOUN
american_scientific_journal-3619	30	5	of	of	ADP
american_scientific_journal-3619	30	6	costs	cost	NOUN
american_scientific_journal-3619	30	7	for	for	ADP
american_scientific_journal-3619	30	8	each	each	DET
american_scientific_journal-3619	30	9	machine	machine	NOUN
american_scientific_journal-3619	30	10	,	,	PUNCT
american_scientific_journal-3619	30	11	the	the	DET
american_scientific_journal-3619	30	12	accumulated	accumulate	VERB
american_scientific_journal-3619	30	13	repair	repair	NOUN
american_scientific_journal-3619	30	14	and	and	CCONJ
american_scientific_journal-3619	30	15	maintenance	maintenance	NOUN
american_scientific_journal-3619	30	16	costs	cost	NOUN
american_scientific_journal-3619	30	17	for	for	ADP
american_scientific_journal-3619	30	18	each	each	DET
american_scientific_journal-3619	30	19	service	service	NOUN
american_scientific_journal-3619	30	20	interval	interval	NOUN
american_scientific_journal-3619	30	21	,	,	PUNCT
american_scientific_journal-3619	30	22	say	say	VERB
american_scientific_journal-3619	30	23	every	every	DET
american_scientific_journal-3619	30	24	1,000	1,000	NUM
american_scientific_journal-3619	30	25	hours	hour	NOUN
american_scientific_journal-3619	30	26	for	for	ADP
american_scientific_journal-3619	30	27	tractors	tractor	NOUN
american_scientific_journal-3619	30	28	,	,	PUNCT
american_scientific_journal-3619	30	29	is	be	AUX
american_scientific_journal-3619	30	30	required	require	VERB
american_scientific_journal-3619	30	31	.	.	PUNCT
american_scientific_journal-3619	31	1	bearing	bear	VERB
american_scientific_journal-3619	31	2	in	in	ADP
american_scientific_journal-3619	31	3	mind	mind	NOUN
american_scientific_journal-3619	31	4	that	that	SCONJ
american_scientific_journal-3619	31	5	agricultural	agricultural	ADJ
american_scientific_journal-3619	31	6	machinery	machinery	NOUN
american_scientific_journal-3619	31	7	can	can	AUX
american_scientific_journal-3619	31	8	easily	easily	ADV
american_scientific_journal-3619	31	9	be	be	AUX
american_scientific_journal-3619	31	10	used	use	VERB
american_scientific_journal-3619	31	11	for	for	ADP
american_scientific_journal-3619	31	12	10	10	NUM
american_scientific_journal-3619	31	13	years	year	NOUN
american_scientific_journal-3619	31	14	or	or	CCONJ
american_scientific_journal-3619	31	15	more	more	ADJ
american_scientific_journal-3619	31	16	,	,	PUNCT
american_scientific_journal-3619	31	17	detailed	detailed	ADJ
american_scientific_journal-3619	31	18	records	record	NOUN
american_scientific_journal-3619	31	19	kept	keep	VERB
american_scientific_journal-3619	31	20	by	by	ADP
american_scientific_journal-3619	31	21	the	the	DET
american_scientific_journal-3619	31	22	farm	farm	NOUN
american_scientific_journal-3619	31	23	manager	manager	NOUN
american_scientific_journal-3619	31	24	over	over	ADP
american_scientific_journal-3619	31	25	decades	decade	NOUN
american_scientific_journal-3619	31	26	are	be	AUX
american_scientific_journal-3619	31	27	essential	essential	ADJ
american_scientific_journal-3619	31	28	[	[	X
american_scientific_journal-3619	31	29	1	1	NUM
american_scientific_journal-3619	31	30	]	]	PUNCT
american_scientific_journal-3619	31	31	.	.	PUNCT
american_scientific_journal-3619	32	1	limitations	limitation	NOUN
american_scientific_journal-3619	32	2	:	:	PUNCT
american_scientific_journal-3619	32	3	this	this	DET
american_scientific_journal-3619	32	4	study	study	NOUN
american_scientific_journal-3619	32	5	will	will	AUX
american_scientific_journal-3619	32	6	not	not	PART
american_scientific_journal-3619	32	7	address	address	VERB
american_scientific_journal-3619	32	8	every	every	DET
american_scientific_journal-3619	32	9	aspect	aspect	NOUN
american_scientific_journal-3619	32	10	of	of	ADP
american_scientific_journal-3619	32	11	the	the	DET
american_scientific_journal-3619	32	12	repair	repair	NOUN
american_scientific_journal-3619	32	13	and	and	CCONJ
american_scientific_journal-3619	32	14	maintenance	maintenance	NOUN
american_scientific_journal-3619	32	15	cost	cost	NOUN
american_scientific_journal-3619	32	16	analysis	analysis	NOUN
american_scientific_journal-3619	32	17	problem	problem	NOUN
american_scientific_journal-3619	32	18	.	.	PUNCT
american_scientific_journal-3619	33	1	it	it	PRON
american_scientific_journal-3619	33	2	will	will	AUX
american_scientific_journal-3619	33	3	only	only	ADV
american_scientific_journal-3619	33	4	investigate	investigate	VERB
american_scientific_journal-3619	33	5	the	the	DET
american_scientific_journal-3619	33	6	relationship	relationship	NOUN
american_scientific_journal-3619	33	7	between	between	ADP
american_scientific_journal-3619	33	8	accumulated	accumulate	VERB
american_scientific_journal-3619	33	9	repair	repair	NOUN
american_scientific_journal-3619	33	10	and	and	CCONJ
american_scientific_journal-3619	33	11	maintenance	maintenance	NOUN
american_scientific_journal-3619	33	12	costs	cost	NOUN
american_scientific_journal-3619	33	13	(	(	PUNCT
american_scientific_journal-3619	33	14	arm	arm	NOUN
american_scientific_journal-3619	33	15	)	)	PUNCT
american_scientific_journal-3619	33	16	and	and	CCONJ
american_scientific_journal-3619	33	17	accumulated	accumulate	VERB
american_scientific_journal-3619	33	18	working	work	VERB
american_scientific_journal-3619	33	19	hours	hour	NOUN
american_scientific_journal-3619	33	20	(	(	PUNCT
american_scientific_journal-3619	33	21	awh	awh	PROPN
american_scientific_journal-3619	33	22	)	)	PUNCT
american_scientific_journal-3619	33	23	of	of	ADP
american_scientific_journal-3619	33	24	the	the	DET
american_scientific_journal-3619	33	25	machine	machine	NOUN
american_scientific_journal-3619	33	26	.	.	PUNCT
american_scientific_journal-3619	34	1	as	as	SCONJ
american_scientific_journal-3619	34	2	such	such	ADJ
american_scientific_journal-3619	34	3	only	only	ADV
american_scientific_journal-3619	34	4	two	two	NUM
american_scientific_journal-3619	34	5	variables	variable	NOUN
american_scientific_journal-3619	34	6	will	will	AUX
american_scientific_journal-3619	34	7	be	be	AUX
american_scientific_journal-3619	34	8	part	part	NOUN
american_scientific_journal-3619	34	9	of	of	ADP
american_scientific_journal-3619	34	10	the	the	DET
american_scientific_journal-3619	34	11	regression	regression	NOUN
american_scientific_journal-3619	34	12	equations	equation	NOUN
american_scientific_journal-3619	34	13	:	:	PUNCT
american_scientific_journal-3619	34	14	machine	machine	NOUN
american_scientific_journal-3619	34	15	age	age	NOUN
american_scientific_journal-3619	34	16	in	in	ADP
american_scientific_journal-3619	34	17	hours	hour	NOUN
american_scientific_journal-3619	34	18	and	and	CCONJ
american_scientific_journal-3619	34	19	r&m	r&m	NOUN
american_scientific_journal-3619	34	20	costs	cost	NOUN
american_scientific_journal-3619	34	21	expressed	express	VERB
american_scientific_journal-3619	34	22	as	as	ADP
american_scientific_journal-3619	34	23	percentage	percentage	NOUN
american_scientific_journal-3619	34	24	of	of	ADP
american_scientific_journal-3619	34	25	the	the	DET
american_scientific_journal-3619	34	26	initial	initial	ADJ
american_scientific_journal-3619	34	27	cost	cost	NOUN
american_scientific_journal-3619	34	28	price	price	NOUN
american_scientific_journal-3619	34	29	.	.	PUNCT
american_scientific_journal-3619	35	1	2	2	X
american_scientific_journal-3619	35	2	.	.	X
american_scientific_journal-3619	35	3	material	material	NOUN
american_scientific_journal-3619	35	4	and	and	CCONJ
american_scientific_journal-3619	35	5	methods	method	NOUN
american_scientific_journal-3619	35	6	the	the	DET
american_scientific_journal-3619	35	7	study	study	NOUN
american_scientific_journal-3619	35	8	was	be	AUX
american_scientific_journal-3619	35	9	conducted	conduct	VERB
american_scientific_journal-3619	35	10	in	in	ADP
american_scientific_journal-3619	35	11	yundum	yundum	PROPN
american_scientific_journal-3619	35	12	agricultural	agricultural	ADJ
american_scientific_journal-3619	35	13	station	station	NOUN
american_scientific_journal-3619	35	14	,	,	PUNCT
american_scientific_journal-3619	35	15	the	the	DET
american_scientific_journal-3619	35	16	gambia	gambia	NOUN
american_scientific_journal-3619	35	17	.	.	PUNCT
american_scientific_journal-3619	36	1	data	datum	NOUN
american_scientific_journal-3619	36	2	on	on	ADP
american_scientific_journal-3619	36	3	twenty	twenty	NUM
american_scientific_journal-3619	36	4	active	active	ADJ
american_scientific_journal-3619	36	5	2wd	2wd	ADJ
american_scientific_journal-3619	36	6	tractors	tractor	NOUN
american_scientific_journal-3619	36	7	were	be	AUX
american_scientific_journal-3619	36	8	collected	collect	VERB
american_scientific_journal-3619	36	9	using	use	VERB
american_scientific_journal-3619	36	10	structured	structured	ADJ
american_scientific_journal-3619	36	11	questionnaires	questionnaire	NOUN
american_scientific_journal-3619	36	12	,	,	PUNCT
american_scientific_journal-3619	36	13	direct	direct	ADJ
american_scientific_journal-3619	36	14	survey	survey	NOUN
american_scientific_journal-3619	36	15	and	and	CCONJ
american_scientific_journal-3619	36	16	oral	oral	ADJ
american_scientific_journal-3619	36	17	interview	interview	NOUN
american_scientific_journal-3619	36	18	during	during	ADP
american_scientific_journal-3619	36	19	the	the	DET
american_scientific_journal-3619	36	20	nationwide	nationwide	ADJ
american_scientific_journal-3619	36	21	maintenance	maintenance	NOUN
american_scientific_journal-3619	36	22	activities	activity	NOUN
american_scientific_journal-3619	36	23	carried	carry	VERB
american_scientific_journal-3619	36	24	by	by	ADP
american_scientific_journal-3619	36	25	the	the	DET
american_scientific_journal-3619	36	26	agricultural	agricultural	ADJ
american_scientific_journal-3619	36	27	engineering	engineering	NOUN
american_scientific_journal-3619	36	28	service	service	NOUN
american_scientific_journal-3619	36	29	(	(	PUNCT
american_scientific_journal-3619	36	30	aes	aes	PROPN
american_scientific_journal-3619	36	31	)	)	PUNCT
american_scientific_journal-3619	36	32	.the	.the	PUNCT
american_scientific_journal-3619	37	1	aes	aes	PROPN
american_scientific_journal-3619	37	2	is	be	AUX
american_scientific_journal-3619	37	3	the	the	DET
american_scientific_journal-3619	37	4	service	service	NOUN
american_scientific_journal-3619	37	5	unit	unit	NOUN
american_scientific_journal-3619	37	6	of	of	ADP
american_scientific_journal-3619	37	7	the	the	DET
american_scientific_journal-3619	37	8	department	department	PROPN
american_scientific_journal-3619	37	9	of	of	ADP
american_scientific_journal-3619	37	10	agriculture	agriculture	PROPN
american_scientific_journal-3619	37	11	(	(	PUNCT
american_scientific_journal-3619	37	12	doa	doa	PROPN
american_scientific_journal-3619	37	13	)	)	PUNCT
american_scientific_journal-3619	37	14	,	,	PUNCT
american_scientific_journal-3619	37	15	responsible	responsible	ADJ
american_scientific_journal-3619	37	16	for	for	ADP
american_scientific_journal-3619	37	17	designing	design	VERB
american_scientific_journal-3619	37	18	and	and	CCONJ
american_scientific_journal-3619	37	19	introducing	introduce	VERB
american_scientific_journal-3619	37	20	to	to	ADP
american_scientific_journal-3619	37	21	farmers	farmer	NOUN
american_scientific_journal-3619	37	22	appropriate	appropriate	ADJ
american_scientific_journal-3619	37	23	and	and	CCONJ
american_scientific_journal-3619	37	24	lowcost	lowcost	PROPN
american_scientific_journal-3619	37	25	machinery	machinery	NOUN
american_scientific_journal-3619	37	26	for	for	ADP
american_scientific_journal-3619	37	27	crop	crop	NOUN
american_scientific_journal-3619	37	28	production	production	NOUN
american_scientific_journal-3619	37	29	and	and	CCONJ
american_scientific_journal-3619	37	30	processing	processing	NOUN
american_scientific_journal-3619	37	31	.	.	PUNCT
american_scientific_journal-3619	38	1	for	for	ADP
american_scientific_journal-3619	38	2	each	each	DET
american_scientific_journal-3619	38	3	tractor	tractor	NOUN
american_scientific_journal-3619	38	4	,	,	PUNCT
american_scientific_journal-3619	38	5	information	information	NOUN
american_scientific_journal-3619	38	6	was	be	AUX
american_scientific_journal-3619	38	7	sought	seek	VERB
american_scientific_journal-3619	38	8	on	on	ADP
american_scientific_journal-3619	38	9	,	,	PUNCT
american_scientific_journal-3619	38	10	tractor	tractor	NOUN
american_scientific_journal-3619	38	11	model	model	NOUN
american_scientific_journal-3619	38	12	,	,	PUNCT
american_scientific_journal-3619	38	13	american	american	PROPN
american_scientific_journal-3619	38	14	scientific	scientific	ADJ
american_scientific_journal-3619	38	15	research	research	NOUN
american_scientific_journal-3619	38	16	journal	journal	NOUN
american_scientific_journal-3619	38	17	for	for	ADP
american_scientific_journal-3619	38	18	engineering	engineering	NOUN
american_scientific_journal-3619	38	19	,	,	PUNCT
american_scientific_journal-3619	38	20	technology	technology	NOUN
american_scientific_journal-3619	38	21	,	,	PUNCT
american_scientific_journal-3619	38	22	and	and	CCONJ
american_scientific_journal-3619	38	23	sciences	science	NOUN
american_scientific_journal-3619	38	24	(	(	PUNCT
american_scientific_journal-3619	38	25	asrjets	asrjet	NOUN
american_scientific_journal-3619	38	26	)	)	PUNCT
american_scientific_journal-3619	38	27	(	(	PUNCT
american_scientific_journal-3619	38	28	2017	2017	NUM
american_scientific_journal-3619	38	29	)	)	PUNCT
american_scientific_journal-3619	38	30	volume	volume	NOUN
american_scientific_journal-3619	38	31	38	38	NUM
american_scientific_journal-3619	38	32	,	,	PUNCT
american_scientific_journal-3619	38	33	no	no	DET
american_scientific_journal-3619	38	34	2	2	NUM
american_scientific_journal-3619	38	35	,	,	PUNCT
american_scientific_journal-3619	38	36	pp	pp	ADV
american_scientific_journal-3619	38	37	214	214	NUM
american_scientific_journal-3619	38	38	-	-	SYM
american_scientific_journal-3619	38	39	225	225	NUM
american_scientific_journal-3619	38	40	216	216	NUM
american_scientific_journal-3619	38	41	age	age	NOUN
american_scientific_journal-3619	38	42	initial	initial	ADJ
american_scientific_journal-3619	38	43	purchase	purchase	NOUN
american_scientific_journal-3619	38	44	price	price	NOUN
american_scientific_journal-3619	38	45	,	,	PUNCT
american_scientific_journal-3619	38	46	annual	annual	ADJ
american_scientific_journal-3619	38	47	hours	hour	NOUN
american_scientific_journal-3619	38	48	of	of	ADP
american_scientific_journal-3619	38	49	use	use	NOUN
american_scientific_journal-3619	38	50	,	,	PUNCT
american_scientific_journal-3619	38	51	annual	annual	ADJ
american_scientific_journal-3619	38	52	repairs	repair	NOUN
american_scientific_journal-3619	38	53	and	and	CCONJ
american_scientific_journal-3619	38	54	maintenance	maintenance	NOUN
american_scientific_journal-3619	38	55	of	of	ADP
american_scientific_journal-3619	38	56	costs	cost	NOUN
american_scientific_journal-3619	38	57	(	(	PUNCT
american_scientific_journal-3619	38	58	fuel	fuel	NOUN
american_scientific_journal-3619	38	59	consumption	consumption	NOUN
american_scientific_journal-3619	38	60	cost	cost	NOUN
american_scientific_journal-3619	38	61	,	,	PUNCT
american_scientific_journal-3619	38	62	lubrication	lubrication	NOUN
american_scientific_journal-3619	38	63	cost	cost	NOUN
american_scientific_journal-3619	38	64	,	,	PUNCT
american_scientific_journal-3619	38	65	oil	oil	NOUN
american_scientific_journal-3619	38	66	and	and	CCONJ
american_scientific_journal-3619	38	67	filter	filter	NOUN
american_scientific_journal-3619	38	68	cost	cost	NOUN
american_scientific_journal-3619	38	69	,	,	PUNCT
american_scientific_journal-3619	38	70	spare	spare	ADJ
american_scientific_journal-3619	38	71	parts	part	NOUN
american_scientific_journal-3619	38	72	costs	cost	NOUN
american_scientific_journal-3619	38	73	and	and	CCONJ
american_scientific_journal-3619	38	74	workmanship	workmanship	NOUN
american_scientific_journal-3619	38	75	cost	cost	NOUN
american_scientific_journal-3619	38	76	)	)	PUNCT
american_scientific_journal-3619	38	77	.	.	PUNCT
american_scientific_journal-3619	39	1	after	after	ADP
american_scientific_journal-3619	39	2	stratifying	stratify	VERB
american_scientific_journal-3619	39	3	samples	sample	NOUN
american_scientific_journal-3619	39	4	,	,	PUNCT
american_scientific_journal-3619	39	5	the	the	DET
american_scientific_journal-3619	39	6	tractors	tractor	NOUN
american_scientific_journal-3619	39	7	were	be	AUX
american_scientific_journal-3619	39	8	then	then	ADV
american_scientific_journal-3619	39	9	classified	classify	VERB
american_scientific_journal-3619	39	10	according	accord	VERB
american_scientific_journal-3619	39	11	to	to	ADP
american_scientific_journal-3619	39	12	their	their	PRON
american_scientific_journal-3619	39	13	age	age	NOUN
american_scientific_journal-3619	39	14	(	(	PUNCT
american_scientific_journal-3619	39	15	years	year	NOUN
american_scientific_journal-3619	39	16	)	)	PUNCT
american_scientific_journal-3619	39	17	into	into	ADP
american_scientific_journal-3619	39	18	10	10	NUM
american_scientific_journal-3619	39	19	groups	group	NOUN
american_scientific_journal-3619	39	20	(	(	PUNCT
american_scientific_journal-3619	39	21	i.e.	i.e.	X
american_scientific_journal-3619	39	22	1	1	NUM
american_scientific_journal-3619	39	23	to	to	PART
american_scientific_journal-3619	39	24	10	10	NUM
american_scientific_journal-3619	39	25	)	)	PUNCT
american_scientific_journal-3619	39	26	.	.	PUNCT
american_scientific_journal-3619	40	1	2.1	2.1	NUM
american_scientific_journal-3619	40	2	.	.	PUNCT
american_scientific_journal-3619	40	3	characterization	characterization	NOUN
american_scientific_journal-3619	40	4	of	of	ADP
american_scientific_journal-3619	40	5	the	the	DET
american_scientific_journal-3619	40	6	jd-5403	jd-5403	PROPN
american_scientific_journal-3619	40	7	model	model	VERB
american_scientific_journal-3619	40	8	the	the	DET
american_scientific_journal-3619	40	9	jd-5403	jd-5403	PROPN
american_scientific_journal-3619	40	10	model	model	NOUN
american_scientific_journal-3619	40	11	selected	select	VERB
american_scientific_journal-3619	40	12	for	for	ADP
american_scientific_journal-3619	40	13	this	this	DET
american_scientific_journal-3619	40	14	study	study	NOUN
american_scientific_journal-3619	40	15	is	be	AUX
american_scientific_journal-3619	40	16	65	65	NUM
american_scientific_journal-3619	40	17	hp	hp	PROPN
american_scientific_journal-3619	40	18	,	,	PUNCT
american_scientific_journal-3619	40	19	2	2	NUM
american_scientific_journal-3619	40	20	-	-	PUNCT
american_scientific_journal-3619	40	21	wheel	wheel	NOUN
american_scientific_journal-3619	40	22	drive	drive	NOUN
american_scientific_journal-3619	40	23	(	(	PUNCT
american_scientific_journal-3619	40	24	2	2	NUM
american_scientific_journal-3619	40	25	-	-	SYM
american_scientific_journal-3619	40	26	wd	wd	ADJ
american_scientific_journal-3619	40	27	)	)	PUNCT
american_scientific_journal-3619	40	28	tractor	tractor	NOUN
american_scientific_journal-3619	40	29	(	(	PUNCT
american_scientific_journal-3619	40	30	figure	figure	NOUN
american_scientific_journal-3619	40	31	1	1	NUM
american_scientific_journal-3619	40	32	)	)	PUNCT
american_scientific_journal-3619	40	33	.	.	PUNCT
american_scientific_journal-3619	41	1	they	they	PRON
american_scientific_journal-3619	41	2	are	be	AUX
american_scientific_journal-3619	41	3	mainly	mainly	ADV
american_scientific_journal-3619	41	4	used	use	VERB
american_scientific_journal-3619	41	5	for	for	ADP
american_scientific_journal-3619	41	6	yard	yard	NOUN
american_scientific_journal-3619	41	7	work	work	NOUN
american_scientific_journal-3619	41	8	on	on	ADP
american_scientific_journal-3619	41	9	livestock	livestock	NOUN
american_scientific_journal-3619	41	10	farms	farm	NOUN
american_scientific_journal-3619	41	11	,	,	PUNCT
american_scientific_journal-3619	41	12	orchards	orchard	NOUN
american_scientific_journal-3619	41	13	,	,	PUNCT
american_scientific_journal-3619	41	14	vineyards	vineyard	NOUN
american_scientific_journal-3619	41	15	and	and	CCONJ
american_scientific_journal-3619	41	16	specialist	specialist	ADJ
american_scientific_journal-3619	41	17	production	production	NOUN
american_scientific_journal-3619	41	18	of	of	ADP
american_scientific_journal-3619	41	19	some	some	DET
american_scientific_journal-3619	41	20	field	field	NOUN
american_scientific_journal-3619	41	21	-	-	PUNCT
american_scientific_journal-3619	41	22	scale	scale	NOUN
american_scientific_journal-3619	41	23	vegetable	vegetable	NOUN
american_scientific_journal-3619	41	24	and	and	CCONJ
american_scientific_journal-3619	41	25	salad	salad	ADJ
american_scientific_journal-3619	41	26	crops	crop	NOUN
american_scientific_journal-3619	41	27	.	.	PUNCT
american_scientific_journal-3619	42	1	one	one	NUM
american_scientific_journal-3619	42	2	advantage	advantage	NOUN
american_scientific_journal-3619	42	3	of	of	ADP
american_scientific_journal-3619	42	4	two	two	NUM
american_scientific_journal-3619	42	5	-	-	PUNCT
american_scientific_journal-3619	42	6	wheel	wheel	NOUN
american_scientific_journal-3619	42	7	drive	drive	NOUN
american_scientific_journal-3619	42	8	is	be	AUX
american_scientific_journal-3619	42	9	better	well	ADJ
american_scientific_journal-3619	42	10	maneuverability	maneuverability	NOUN
american_scientific_journal-3619	42	11	and	and	CCONJ
american_scientific_journal-3619	42	12	cheaper	cheap	ADJ
american_scientific_journal-3619	42	13	purchase	purchase	NOUN
american_scientific_journal-3619	42	14	price	price	NOUN
american_scientific_journal-3619	42	15	as	as	SCONJ
american_scientific_journal-3619	42	16	compare	compare	VERB
american_scientific_journal-3619	42	17	to	to	ADP
american_scientific_journal-3619	42	18	a	a	DET
american_scientific_journal-3619	42	19	4	4	NUM
american_scientific_journal-3619	42	20	-	-	PUNCT
american_scientific_journal-3619	42	21	wd	wd	ADJ
american_scientific_journal-3619	42	22	tractor	tractor	NOUN
american_scientific_journal-3619	42	23	.	.	PUNCT
american_scientific_journal-3619	43	1	figure	figure	NOUN
american_scientific_journal-3619	43	2	1	1	NUM
american_scientific_journal-3619	43	3	:	:	PUNCT
american_scientific_journal-3619	43	4	the	the	DET
american_scientific_journal-3619	43	5	john	john	PROPN
american_scientific_journal-3619	43	6	deere	deere	PROPN
american_scientific_journal-3619	43	7	jd-5403	jd-5403	PROPN
american_scientific_journal-3619	43	8	model	model	PROPN
american_scientific_journal-3619	43	9	tractor	tractor	PROPN
american_scientific_journal-3619	43	10	2.2	2.2	NUM
american_scientific_journal-3619	43	11	.	.	PUNCT
american_scientific_journal-3619	44	1	determination	determination	NOUN
american_scientific_journal-3619	44	2	of	of	ADP
american_scientific_journal-3619	44	3	mathematical	mathematical	ADJ
american_scientific_journal-3619	44	4	model	model	NOUN
american_scientific_journal-3619	44	5	to	to	PART
american_scientific_journal-3619	44	6	predict	predict	VERB
american_scientific_journal-3619	44	7	r&m	r&m	NOUN
american_scientific_journal-3619	44	8	costs	cost	NOUN
american_scientific_journal-3619	44	9	of	of	ADP
american_scientific_journal-3619	44	10	the	the	DET
american_scientific_journal-3619	44	11	jd-5403	jd-5403	PROPN
american_scientific_journal-3619	44	12	tractor	tractor	NOUN
american_scientific_journal-3619	44	13	to	to	PART
american_scientific_journal-3619	44	14	determine	determine	VERB
american_scientific_journal-3619	44	15	regression	regression	NOUN
american_scientific_journal-3619	44	16	model(s	model(s	PROPN
american_scientific_journal-3619	44	17	)	)	PUNCT
american_scientific_journal-3619	44	18	for	for	ADP
american_scientific_journal-3619	44	19	predicting	predict	VERB
american_scientific_journal-3619	44	20	r&m	r&m	NOUN
american_scientific_journal-3619	44	21	costs	cost	NOUN
american_scientific_journal-3619	44	22	of	of	ADP
american_scientific_journal-3619	44	23	these	these	DET
american_scientific_journal-3619	44	24	tractors	tractor	NOUN
american_scientific_journal-3619	44	25	at	at	ADP
american_scientific_journal-3619	44	26	any	any	DET
american_scientific_journal-3619	44	27	point	point	NOUN
american_scientific_journal-3619	44	28	of	of	ADP
american_scientific_journal-3619	44	29	service	service	NOUN
american_scientific_journal-3619	44	30	life	life	NOUN
american_scientific_journal-3619	44	31	,	,	PUNCT
american_scientific_journal-3619	44	32	accumulated	accumulate	VERB
american_scientific_journal-3619	44	33	working	working	NOUN
american_scientific_journal-3619	44	34	hours	hour	NOUN
american_scientific_journal-3619	44	35	for	for	ADP
american_scientific_journal-3619	44	36	each	each	DET
american_scientific_journal-3619	44	37	year	year	NOUN
american_scientific_journal-3619	44	38	were	be	AUX
american_scientific_journal-3619	44	39	added	add	VERB
american_scientific_journal-3619	44	40	up	up	ADP
american_scientific_journal-3619	44	41	to	to	ADP
american_scientific_journal-3619	44	42	previous	previous	ADJ
american_scientific_journal-3619	44	43	usage	usage	NOUN
american_scientific_journal-3619	44	44	hours	hour	NOUN
american_scientific_journal-3619	44	45	and	and	CCONJ
american_scientific_journal-3619	44	46	the	the	DET
american_scientific_journal-3619	44	47	sum	sum	NOUN
american_scientific_journal-3619	44	48	was	be	AUX
american_scientific_journal-3619	44	49	considered	consider	VERB
american_scientific_journal-3619	44	50	to	to	PART
american_scientific_journal-3619	44	51	be	be	AUX
american_scientific_journal-3619	44	52	independent	independent	ADJ
american_scientific_journal-3619	44	53	variable	variable	NOUN
american_scientific_journal-3619	44	54	(	(	PUNCT
american_scientific_journal-3619	44	55	x	x	NOUN
american_scientific_journal-3619	44	56	)	)	PUNCT
american_scientific_journal-3619	44	57	of	of	ADP
american_scientific_journal-3619	44	58	the	the	DET
american_scientific_journal-3619	44	59	model	model	NOUN
american_scientific_journal-3619	44	60	(	(	PUNCT
american_scientific_journal-3619	44	61	s	s	X
american_scientific_journal-3619	44	62	)	)	PUNCT
american_scientific_journal-3619	44	63	as	as	SCONJ
american_scientific_journal-3619	44	64	shown	show	VERB
american_scientific_journal-3619	44	65	in	in	ADP
american_scientific_journal-3619	44	66	equation	equation	NOUN
american_scientific_journal-3619	44	67	(	(	PUNCT
american_scientific_journal-3619	44	68	1	1	NUM
american_scientific_journal-3619	44	69	)	)	PUNCT
american_scientific_journal-3619	44	70	and	and	CCONJ
american_scientific_journal-3619	44	71	reported	report	VERB
american_scientific_journal-3619	44	72	by	by	ADP
american_scientific_journal-3619	44	73	[	[	X
american_scientific_journal-3619	44	74	4	4	NUM
american_scientific_journal-3619	44	75	]	]	PUNCT
american_scientific_journal-3619	44	76	.	.	PUNCT
american_scientific_journal-3619	45	1	𝑋𝑋𝑛𝑛	𝑋𝑋𝑛𝑛	PROPN
american_scientific_journal-3619	45	2	=	=	SYM
american_scientific_journal-3619	45	3	�	�	PROPN
american_scientific_journal-3619	45	4	𝑥𝑥𝑖𝑖	𝑥𝑥𝑖𝑖	NOUN
american_scientific_journal-3619	45	5	𝑛𝑛	𝑛𝑛	NOUN
american_scientific_journal-3619	45	6	𝑖𝑖=1	𝑖𝑖=1	PROPN
american_scientific_journal-3619	45	7	(	(	PUNCT
american_scientific_journal-3619	45	8	1	1	X
american_scientific_journal-3619	45	9	)	)	PUNCT
american_scientific_journal-3619	45	10	where	where	SCONJ
american_scientific_journal-3619	45	11	xn	xn	PROPN
american_scientific_journal-3619	45	12	is	be	AUX
american_scientific_journal-3619	45	13	the	the	DET
american_scientific_journal-3619	45	14	accumulated	accumulate	VERB
american_scientific_journal-3619	45	15	working	work	VERB
american_scientific_journal-3619	45	16	hours	hour	NOUN
american_scientific_journal-3619	45	17	for	for	ADP
american_scientific_journal-3619	45	18	the	the	DET
american_scientific_journal-3619	45	19	group	group	NOUN
american_scientific_journal-3619	45	20	in	in	ADP
american_scientific_journal-3619	45	21	hour	hour	NOUN
american_scientific_journal-3619	45	22	(	(	PUNCT
american_scientific_journal-3619	45	23	h	h	NOUN
american_scientific_journal-3619	45	24	)	)	PUNCT
american_scientific_journal-3619	45	25	,	,	PUNCT
american_scientific_journal-3619	45	26	n	n	PRON
american_scientific_journal-3619	45	27	is	be	AUX
american_scientific_journal-3619	45	28	the	the	DET
american_scientific_journal-3619	45	29	tractor	tractor	NOUN
american_scientific_journal-3619	45	30	age	age	NOUN
american_scientific_journal-3619	45	31	group	group	NOUN
american_scientific_journal-3619	45	32	in	in	ADP
american_scientific_journal-3619	45	33	year	year	NOUN
american_scientific_journal-3619	45	34	(	(	PUNCT
american_scientific_journal-3619	45	35	y	y	NOUN
american_scientific_journal-3619	45	36	)	)	PUNCT
american_scientific_journal-3619	45	37	,	,	PUNCT
american_scientific_journal-3619	45	38	x	x	X
american_scientific_journal-3619	45	39	is	be	AUX
american_scientific_journal-3619	45	40	the	the	DET
american_scientific_journal-3619	45	41	mean	mean	ADJ
american_scientific_journal-3619	45	42	annual	annual	ADJ
american_scientific_journal-3619	45	43	operating	operating	NOUN
american_scientific_journal-3619	45	44	hours	hour	NOUN
american_scientific_journal-3619	45	45	per	per	ADP
american_scientific_journal-3619	45	46	group	group	NOUN
american_scientific_journal-3619	45	47	in	in	ADP
american_scientific_journal-3619	45	48	hour	hour	NOUN
american_scientific_journal-3619	45	49	per	per	ADP
american_scientific_journal-3619	45	50	year	year	NOUN
american_scientific_journal-3619	45	51	(	(	PUNCT
american_scientific_journal-3619	45	52	h	h	NOUN
american_scientific_journal-3619	45	53	/	/	SYM
american_scientific_journal-3619	45	54	y	y	NOUN
american_scientific_journal-3619	45	55	)	)	PUNCT
american_scientific_journal-3619	45	56	for	for	ADP
american_scientific_journal-3619	45	57	the	the	DET
american_scientific_journal-3619	45	58	group	group	PROPN
american_scientific_journal-3619	45	59	i.	i.	PROPN
american_scientific_journal-3619	45	60	the	the	DET
american_scientific_journal-3619	45	61	repair	repair	PROPN
american_scientific_journal-3619	45	62	&	&	CCONJ
american_scientific_journal-3619	45	63	maintenance	maintenance	NOUN
american_scientific_journal-3619	45	64	costs	cost	NOUN
american_scientific_journal-3619	45	65	as	as	ADP
american_scientific_journal-3619	45	66	percentage	percentage	NOUN
american_scientific_journal-3619	45	67	of	of	ADP
american_scientific_journal-3619	45	68	initial	initial	ADJ
american_scientific_journal-3619	45	69	purchase	purchase	NOUN
american_scientific_journal-3619	45	70	price	price	NOUN
american_scientific_journal-3619	45	71	which	which	PRON
american_scientific_journal-3619	45	72	was	be	AUX
american_scientific_journal-3619	45	73	considered	consider	VERB
american_scientific_journal-3619	45	74	to	to	PART
american_scientific_journal-3619	45	75	be	be	AUX
american_scientific_journal-3619	45	76	dependent	dependent	ADJ
american_scientific_journal-3619	45	77	american	american	ADJ
american_scientific_journal-3619	45	78	scientific	scientific	ADJ
american_scientific_journal-3619	45	79	research	research	NOUN
american_scientific_journal-3619	45	80	journal	journal	NOUN
american_scientific_journal-3619	45	81	for	for	ADP
american_scientific_journal-3619	45	82	engineering	engineering	NOUN
american_scientific_journal-3619	45	83	,	,	PUNCT
american_scientific_journal-3619	45	84	technology	technology	NOUN
american_scientific_journal-3619	45	85	,	,	PUNCT
american_scientific_journal-3619	45	86	and	and	CCONJ
american_scientific_journal-3619	45	87	sciences	science	NOUN
american_scientific_journal-3619	45	88	(	(	PUNCT
american_scientific_journal-3619	45	89	asrjets	asrjet	NOUN
american_scientific_journal-3619	45	90	)	)	PUNCT
american_scientific_journal-3619	45	91	(	(	PUNCT
american_scientific_journal-3619	45	92	2017	2017	NUM
american_scientific_journal-3619	45	93	)	)	PUNCT
american_scientific_journal-3619	45	94	volume	volume	NOUN
american_scientific_journal-3619	45	95	38	38	NUM
american_scientific_journal-3619	45	96	,	,	PUNCT
american_scientific_journal-3619	45	97	no	no	DET
american_scientific_journal-3619	45	98	2	2	NUM
american_scientific_journal-3619	45	99	,	,	PUNCT
american_scientific_journal-3619	45	100	pp	pp	ADV
american_scientific_journal-3619	45	101	214	214	NUM
american_scientific_journal-3619	45	102	-	-	SYM
american_scientific_journal-3619	45	103	225	225	NUM
american_scientific_journal-3619	45	104	217	217	NUM
american_scientific_journal-3619	45	105	variable	variable	NOUN
american_scientific_journal-3619	45	106	(	(	PUNCT
american_scientific_journal-3619	45	107	y	y	NOUN
american_scientific_journal-3619	45	108	)	)	PUNCT
american_scientific_journal-3619	45	109	obtained	obtain	VERB
american_scientific_journal-3619	45	110	through	through	ADP
american_scientific_journal-3619	45	111	dividing	divide	VERB
american_scientific_journal-3619	45	112	the	the	DET
american_scientific_journal-3619	45	113	total	total	ADJ
american_scientific_journal-3619	45	114	accumulated	accumulate	VERB
american_scientific_journal-3619	45	115	r&m	r&m	NOUN
american_scientific_journal-3619	45	116	costs	cost	NOUN
american_scientific_journal-3619	45	117	by	by	ADP
american_scientific_journal-3619	45	118	initial	initial	ADJ
american_scientific_journal-3619	45	119	purchase	purchase	NOUN
american_scientific_journal-3619	45	120	price	price	NOUN
american_scientific_journal-3619	45	121	of	of	ADP
american_scientific_journal-3619	45	122	tractor	tractor	NOUN
american_scientific_journal-3619	45	123	using	use	VERB
american_scientific_journal-3619	45	124	equation	equation	NOUN
american_scientific_journal-3619	45	125	(	(	PUNCT
american_scientific_journal-3619	45	126	2	2	NUM
american_scientific_journal-3619	45	127	)	)	PUNCT
american_scientific_journal-3619	45	128	below	below	ADV
american_scientific_journal-3619	45	129	as	as	SCONJ
american_scientific_journal-3619	45	130	reported	report	VERB
american_scientific_journal-3619	45	131	by	by	ADP
american_scientific_journal-3619	45	132	[	[	X
american_scientific_journal-3619	45	133	5	5	NUM
american_scientific_journal-3619	45	134	]	]	PUNCT
american_scientific_journal-3619	45	135	.	.	PUNCT
american_scientific_journal-3619	46	1	𝑌𝑌𝑛𝑛	𝑌𝑌𝑛𝑛	X
american_scientific_journal-3619	46	2	=	=	SYM
american_scientific_journal-3619	46	3	�	�	PROPN
american_scientific_journal-3619	46	4	𝑦𝑦𝑖𝑖	𝑦𝑦𝑖𝑖	NOUN
american_scientific_journal-3619	46	5	𝑛𝑛	𝑛𝑛	NOUN
american_scientific_journal-3619	46	6	𝑖𝑖=1	𝑖𝑖=1	PUNCT
american_scientific_journal-3619	46	7	(	(	PUNCT
american_scientific_journal-3619	46	8	2	2	X
american_scientific_journal-3619	46	9	)	)	PUNCT
american_scientific_journal-3619	46	10	where	where	SCONJ
american_scientific_journal-3619	46	11	yn	yn	PROPN
american_scientific_journal-3619	46	12	is	be	AUX
american_scientific_journal-3619	46	13	the	the	DET
american_scientific_journal-3619	46	14	accumulated	accumulate	VERB
american_scientific_journal-3619	46	15	repair	repair	NOUN
american_scientific_journal-3619	46	16	and	and	CCONJ
american_scientific_journal-3619	46	17	maintenance	maintenance	NOUN
american_scientific_journal-3619	46	18	costs	cost	NOUN
american_scientific_journal-3619	46	19	based	base	VERB
american_scientific_journal-3619	46	20	on	on	ADP
american_scientific_journal-3619	46	21	percent	percent	NOUN
american_scientific_journal-3619	46	22	of	of	ADP
american_scientific_journal-3619	46	23	list	list	NOUN
american_scientific_journal-3619	46	24	price	price	NOUN
american_scientific_journal-3619	46	25	,	,	PUNCT
american_scientific_journal-3619	46	26	y	y	PROPN
american_scientific_journal-3619	46	27	is	be	AUX
american_scientific_journal-3619	46	28	the	the	DET
american_scientific_journal-3619	46	29	mean	mean	ADJ
american_scientific_journal-3619	46	30	annual	annual	ADJ
american_scientific_journal-3619	46	31	repair	repair	NOUN
american_scientific_journal-3619	46	32	and	and	CCONJ
american_scientific_journal-3619	46	33	maintenance	maintenance	NOUN
american_scientific_journal-3619	46	34	costs	cost	NOUN
american_scientific_journal-3619	46	35	each	each	DET
american_scientific_journal-3619	46	36	tractor	tractor	NOUN
american_scientific_journal-3619	46	37	in	in	ADP
american_scientific_journal-3619	46	38	per	per	ADP
american_scientific_journal-3619	46	39	class	class	NOUN
american_scientific_journal-3619	46	40	based	base	VERB
american_scientific_journal-3619	46	41	on	on	ADP
american_scientific_journal-3619	46	42	percent	percent	NOUN
american_scientific_journal-3619	46	43	of	of	ADP
american_scientific_journal-3619	46	44	list	list	NOUN
american_scientific_journal-3619	46	45	price	price	NOUN
american_scientific_journal-3619	46	46	.	.	PUNCT
american_scientific_journal-3619	47	1	in	in	ADP
american_scientific_journal-3619	47	2	order	order	NOUN
american_scientific_journal-3619	47	3	to	to	PART
american_scientific_journal-3619	47	4	determine	determine	VERB
american_scientific_journal-3619	47	5	mathematical	mathematical	ADJ
american_scientific_journal-3619	47	6	model	model	NOUN
american_scientific_journal-3619	47	7	for	for	ADP
american_scientific_journal-3619	47	8	the	the	DET
american_scientific_journal-3619	47	9	studied	study	VERB
american_scientific_journal-3619	47	10	tractor	tractor	NOUN
american_scientific_journal-3619	47	11	,	,	PUNCT
american_scientific_journal-3619	47	12	regression	regression	VERB
american_scientific_journal-3619	47	13	analysis	analysis	NOUN
american_scientific_journal-3619	47	14	using	use	VERB
american_scientific_journal-3619	47	15	spss	spss	PROPN
american_scientific_journal-3619	47	16	21	21	NUM
american_scientific_journal-3619	47	17	was	be	AUX
american_scientific_journal-3619	47	18	performed	perform	VERB
american_scientific_journal-3619	47	19	on	on	ADP
american_scientific_journal-3619	47	20	the	the	DET
american_scientific_journal-3619	47	21	data	datum	NOUN
american_scientific_journal-3619	47	22	.	.	PUNCT
american_scientific_journal-3619	48	1	five	five	NUM
american_scientific_journal-3619	48	2	models	model	NOUN
american_scientific_journal-3619	48	3	as	as	SCONJ
american_scientific_journal-3619	48	4	shown	show	VERB
american_scientific_journal-3619	48	5	in	in	ADP
american_scientific_journal-3619	48	6	equation	equation	NOUN
american_scientific_journal-3619	48	7	(	(	PUNCT
american_scientific_journal-3619	48	8	3	3	NUM
american_scientific_journal-3619	48	9	-	-	SYM
american_scientific_journal-3619	48	10	7	7	NUM
american_scientific_journal-3619	48	11	)	)	PUNCT
american_scientific_journal-3619	48	12	were	be	AUX
american_scientific_journal-3619	48	13	used	use	VERB
american_scientific_journal-3619	48	14	to	to	PART
american_scientific_journal-3619	48	15	carry	carry	VERB
american_scientific_journal-3619	48	16	out	out	ADP
american_scientific_journal-3619	48	17	regression	regression	NOUN
american_scientific_journal-3619	48	18	analysis	analysis	NOUN
american_scientific_journal-3619	48	19	,	,	PUNCT
american_scientific_journal-3619	48	20	which	which	PRON
american_scientific_journal-3619	48	21	included	include	VERB
american_scientific_journal-3619	48	22	the	the	DET
american_scientific_journal-3619	48	23	following	follow	VERB
american_scientific_journal-3619	48	24	:	:	PUNCT
american_scientific_journal-3619	48	25	𝑌𝑌	𝑌𝑌	PROPN
american_scientific_journal-3619	48	26	=	=	SYM
american_scientific_journal-3619	48	27	𝑎𝑎	𝑎𝑎	VERB
american_scientific_journal-3619	48	28	+	+	CCONJ
american_scientific_journal-3619	48	29	𝑏𝑏𝑥𝑥	𝑏𝑏𝑥𝑥	PROPN
american_scientific_journal-3619	48	30	linear	linear	PROPN
american_scientific_journal-3619	48	31	mode	mode	NOUN
american_scientific_journal-3619	48	32	(	(	PUNCT
american_scientific_journal-3619	48	33	3	3	X
american_scientific_journal-3619	48	34	)	)	PUNCT
american_scientific_journal-3619	48	35	𝑌𝑌	𝑌𝑌	NOUN
american_scientific_journal-3619	48	36	=	=	SYM
american_scientific_journal-3619	48	37	𝑎𝑎	𝑎𝑎	NOUN
american_scientific_journal-3619	48	38	+	+	CCONJ
american_scientific_journal-3619	48	39	𝑏𝑏𝑥𝑥	𝑏𝑏𝑥𝑥	NOUN
american_scientific_journal-3619	48	40	polynomial	polynomial	ADJ
american_scientific_journal-3619	48	41	model	model	NOUN
american_scientific_journal-3619	48	42	(	(	PUNCT
american_scientific_journal-3619	48	43	4	4	X
american_scientific_journal-3619	48	44	)	)	PUNCT
american_scientific_journal-3619	48	45	𝑌𝑌	𝑌𝑌	PROPN
american_scientific_journal-3619	48	46	=	=	SYM
american_scientific_journal-3619	48	47	𝑎𝑎𝑒𝑒𝑏𝑏𝑏𝑏	𝑎𝑎𝑒𝑒𝑏𝑏𝑏𝑏	X
american_scientific_journal-3619	48	48	exponential	exponential	ADJ
american_scientific_journal-3619	48	49	model	model	NOUN
american_scientific_journal-3619	48	50	(	(	PUNCT
american_scientific_journal-3619	48	51	5	5	NUM
american_scientific_journal-3619	48	52	)	)	PUNCT
american_scientific_journal-3619	48	53	𝑌𝑌	𝑌𝑌	NOUN
american_scientific_journal-3619	48	54	=	=	PRON
american_scientific_journal-3619	48	55	𝑎𝑎	𝑎𝑎	NOUN
american_scientific_journal-3619	48	56	+	+	CCONJ
american_scientific_journal-3619	48	57	𝑙𝑙𝑙𝑙	𝑙𝑙𝑙𝑙	NOUN
american_scientific_journal-3619	48	58	𝑏𝑏𝑥𝑥	𝑏𝑏𝑥𝑥	PROPN
american_scientific_journal-3619	48	59	logarithmic	logarithmic	PROPN
american_scientific_journal-3619	48	60	model	model	NOUN
american_scientific_journal-3619	48	61	(	(	PUNCT
american_scientific_journal-3619	48	62	6	6	NUM
american_scientific_journal-3619	48	63	)	)	PUNCT
american_scientific_journal-3619	48	64	𝑌𝑌	𝑌𝑌	PROPN
american_scientific_journal-3619	48	65	=	=	SYM
american_scientific_journal-3619	48	66	𝑎𝑎𝑥𝑥𝑏𝑏	𝑎𝑎𝑥𝑥𝑏𝑏	PROPN
american_scientific_journal-3619	48	67	power	power	NOUN
american_scientific_journal-3619	48	68	model	model	NOUN
american_scientific_journal-3619	48	69	(	(	PUNCT
american_scientific_journal-3619	48	70	7	7	NUM
american_scientific_journal-3619	48	71	)	)	PUNCT
american_scientific_journal-3619	48	72	where	where	SCONJ
american_scientific_journal-3619	48	73	y	y	PROPN
american_scientific_journal-3619	48	74	and	and	CCONJ
american_scientific_journal-3619	48	75	x	x	PRON
american_scientific_journal-3619	48	76	are	be	AUX
american_scientific_journal-3619	48	77	dependent	dependent	ADJ
american_scientific_journal-3619	48	78	and	and	CCONJ
american_scientific_journal-3619	48	79	independent	independent	ADJ
american_scientific_journal-3619	48	80	variables	variable	NOUN
american_scientific_journal-3619	48	81	;	;	PUNCT
american_scientific_journal-3619	48	82	a	a	DET
american_scientific_journal-3619	48	83	,	,	PUNCT
american_scientific_journal-3619	48	84	b	b	NOUN
american_scientific_journal-3619	48	85	,	,	PUNCT
american_scientific_journal-3619	48	86	c	c	NOUN
american_scientific_journal-3619	48	87	,	,	PUNCT
american_scientific_journal-3619	48	88	z	z	NOUN
american_scientific_journal-3619	48	89	:	:	PUNCT
american_scientific_journal-3619	48	90	are	be	AUX
american_scientific_journal-3619	48	91	regression	regression	NOUN
american_scientific_journal-3619	48	92	coefficients	coefficient	NOUN
american_scientific_journal-3619	48	93	.	.	PUNCT
american_scientific_journal-3619	49	1	the	the	DET
american_scientific_journal-3619	49	2	regression	regression	NOUN
american_scientific_journal-3619	49	3	model	model	NOUN
american_scientific_journal-3619	49	4	(	(	PUNCT
american_scientific_journal-3619	49	5	s	s	X
american_scientific_journal-3619	49	6	)	)	PUNCT
american_scientific_journal-3619	49	7	having	have	VERB
american_scientific_journal-3619	49	8	the	the	DET
american_scientific_journal-3619	49	9	highest	high	ADJ
american_scientific_journal-3619	49	10	coefficient	coefficient	NOUN
american_scientific_journal-3619	49	11	of	of	ADP
american_scientific_journal-3619	49	12	determination	determination	NOUN
american_scientific_journal-3619	49	13	(	(	PUNCT
american_scientific_journal-3619	49	14	r2	r2	PROPN
american_scientific_journal-3619	49	15	)	)	PUNCT
american_scientific_journal-3619	49	16	was	be	AUX
american_scientific_journal-3619	49	17	selected	select	VERB
american_scientific_journal-3619	49	18	as	as	ADP
american_scientific_journal-3619	49	19	the	the	DET
american_scientific_journal-3619	49	20	best	good	ADJ
american_scientific_journal-3619	49	21	model(s	model(s	NOUN
american_scientific_journal-3619	49	22	)	)	PUNCT
american_scientific_journal-3619	49	23	for	for	ADP
american_scientific_journal-3619	49	24	predicting	predict	VERB
american_scientific_journal-3619	49	25	actual	actual	ADJ
american_scientific_journal-3619	49	26	r&m	r&m	NOUN
american_scientific_journal-3619	49	27	costs	cost	NOUN
american_scientific_journal-3619	49	28	trend	trend	NOUN
american_scientific_journal-3619	49	29	.	.	PUNCT
american_scientific_journal-3619	50	1	in	in	ADP
american_scientific_journal-3619	50	2	addition	addition	NOUN
american_scientific_journal-3619	50	3	,	,	PUNCT
american_scientific_journal-3619	50	4	in	in	ADP
american_scientific_journal-3619	50	5	the	the	DET
american_scientific_journal-3619	50	6	most	most	ADV
american_scientific_journal-3619	50	7	published	publish	VERB
american_scientific_journal-3619	50	8	studies	study	NOUN
american_scientific_journal-3619	50	9	in	in	ADP
american_scientific_journal-3619	50	10	this	this	DET
american_scientific_journal-3619	50	11	field	field	NOUN
american_scientific_journal-3619	50	12	power	power	NOUN
american_scientific_journal-3619	50	13	and	and	CCONJ
american_scientific_journal-3619	50	14	polynomial	polynomial	ADJ
american_scientific_journal-3619	50	15	models	model	NOUN
american_scientific_journal-3619	50	16	gave	give	VERB
american_scientific_journal-3619	50	17	better	well	ADJ
american_scientific_journal-3619	50	18	cost	cost	NOUN
american_scientific_journal-3619	50	19	prediction	prediction	NOUN
american_scientific_journal-3619	50	20	with	with	ADP
american_scientific_journal-3619	50	21	higher	high	ADJ
american_scientific_journal-3619	50	22	confidence	confidence	NOUN
american_scientific_journal-3619	50	23	and	and	CCONJ
american_scientific_journal-3619	50	24	less	less	ADJ
american_scientific_journal-3619	50	25	variation	variation	NOUN
american_scientific_journal-3619	50	26	than	than	ADP
american_scientific_journal-3619	50	27	that	that	PRON
american_scientific_journal-3619	50	28	of	of	ADP
american_scientific_journal-3619	50	29	linear	linear	PROPN
american_scientific_journal-3619	50	30	exponential	exponential	ADJ
american_scientific_journal-3619	50	31	and	and	CCONJ
american_scientific_journal-3619	50	32	logarithmic	logarithmic	ADJ
american_scientific_journal-3619	50	33	models	model	NOUN
american_scientific_journal-3619	50	34	.	.	PUNCT
american_scientific_journal-3619	51	1	because	because	SCONJ
american_scientific_journal-3619	51	2	of	of	ADV
american_scientific_journal-3619	51	3	,	,	PUNCT
american_scientific_journal-3619	51	4	its	its	PRON
american_scientific_journal-3619	51	5	easiness	easiness	NOUN
american_scientific_journal-3619	51	6	in	in	ADP
american_scientific_journal-3619	51	7	calculations	calculation	NOUN
american_scientific_journal-3619	51	8	,	,	PUNCT
american_scientific_journal-3619	51	9	high	high	ADJ
american_scientific_journal-3619	51	10	correlation	correlation	NOUN
american_scientific_journal-3619	51	11	coefficients	coefficient	NOUN
american_scientific_journal-3619	51	12	and	and	CCONJ
american_scientific_journal-3619	51	13	using	using	NOUN
american_scientific_journal-3619	51	14	of	of	ADP
american_scientific_journal-3619	51	15	this	this	DET
american_scientific_journal-3619	51	16	model	model	NOUN
american_scientific_journal-3619	51	17	by	by	ADP
american_scientific_journal-3619	51	18	many	many	ADJ
american_scientific_journal-3619	51	19	researchers	researcher	NOUN
american_scientific_journal-3619	51	20	,	,	PUNCT
american_scientific_journal-3619	51	21	the	the	DET
american_scientific_journal-3619	51	22	polynomial	polynomial	ADJ
american_scientific_journal-3619	51	23	model	model	NOUN
american_scientific_journal-3619	51	24	as	as	SCONJ
american_scientific_journal-3619	51	25	given	give	VERB
american_scientific_journal-3619	51	26	in	in	ADP
american_scientific_journal-3619	51	27	equation	equation	NOUN
american_scientific_journal-3619	51	28	(	(	PUNCT
american_scientific_journal-3619	51	29	4	4	NUM
american_scientific_journal-3619	51	30	)	)	PUNCT
american_scientific_journal-3619	51	31	was	be	AUX
american_scientific_journal-3619	51	32	suggested	suggest	VERB
american_scientific_journal-3619	51	33	as	as	ADP
american_scientific_journal-3619	51	34	final	final	ADJ
american_scientific_journal-3619	51	35	form	form	NOUN
american_scientific_journal-3619	51	36	of	of	ADP
american_scientific_journal-3619	51	37	the	the	DET
american_scientific_journal-3619	51	38	repair	repair	NOUN
american_scientific_journal-3619	51	39	and	and	CCONJ
american_scientific_journal-3619	51	40	maintenance	maintenance	NOUN
american_scientific_journal-3619	51	41	cost	cost	NOUN
american_scientific_journal-3619	51	42	model	model	NOUN
american_scientific_journal-3619	51	43	in	in	ADP
american_scientific_journal-3619	51	44	the	the	DET
american_scientific_journal-3619	51	45	present	present	ADJ
american_scientific_journal-3619	51	46	study	study	NOUN
american_scientific_journal-3619	51	47	.	.	PUNCT
american_scientific_journal-3619	52	1	the	the	DET
american_scientific_journal-3619	52	2	following	follow	VERB
american_scientific_journal-3619	52	3	repair	repair	NOUN
american_scientific_journal-3619	52	4	and	and	CCONJ
american_scientific_journal-3619	52	5	maintenance	maintenance	NOUN
american_scientific_journal-3619	52	6	cost	cost	NOUN
american_scientific_journal-3619	52	7	components	component	NOUN
american_scientific_journal-3619	52	8	of	of	ADP
american_scientific_journal-3619	52	9	the	the	DET
american_scientific_journal-3619	52	10	jd-5403	jd-5403	PROPN
american_scientific_journal-3619	52	11	tractor	tractor	NOUN
american_scientific_journal-3619	52	12	were	be	AUX
american_scientific_journal-3619	52	13	determined	determine	VERB
american_scientific_journal-3619	52	14	.	.	PUNCT
american_scientific_journal-3619	53	1	average	average	ADJ
american_scientific_journal-3619	53	2	fuel	fuel	NOUN
american_scientific_journal-3619	53	3	consumption	consumption	NOUN
american_scientific_journal-3619	53	4	and	and	CCONJ
american_scientific_journal-3619	53	5	cost	cost	NOUN
american_scientific_journal-3619	53	6	average	average	ADJ
american_scientific_journal-3619	53	7	annual	annual	ADJ
american_scientific_journal-3619	53	8	fuel	fuel	NOUN
american_scientific_journal-3619	53	9	consumption	consumption	NOUN
american_scientific_journal-3619	53	10	and	and	CCONJ
american_scientific_journal-3619	53	11	fuel	fuel	NOUN
american_scientific_journal-3619	53	12	cost	cost	NOUN
american_scientific_journal-3619	53	13	for	for	ADP
american_scientific_journal-3619	53	14	the	the	DET
american_scientific_journal-3619	53	15	studied	study	VERB
american_scientific_journal-3619	53	16	tractors	tractor	NOUN
american_scientific_journal-3619	53	17	were	be	AUX
american_scientific_journal-3619	53	18	estimated	estimate	VERB
american_scientific_journal-3619	53	19	using	use	VERB
american_scientific_journal-3619	53	20	equation	equation	NOUN
american_scientific_journal-3619	53	21	(	(	PUNCT
american_scientific_journal-3619	53	22	8	8	NUM
american_scientific_journal-3619	53	23	-	-	SYM
american_scientific_journal-3619	53	24	9	9	NUM
american_scientific_journal-3619	53	25	)	)	PUNCT
american_scientific_journal-3619	53	26	and	and	CCONJ
american_scientific_journal-3619	53	27	as	as	SCONJ
american_scientific_journal-3619	53	28	reported	report	VERB
american_scientific_journal-3619	53	29	by	by	ADP
american_scientific_journal-3619	53	30	[	[	X
american_scientific_journal-3619	53	31	6	6	NUM
american_scientific_journal-3619	53	32	]	]	PUNCT
american_scientific_journal-3619	53	33	.	.	PUNCT
american_scientific_journal-3619	54	1	𝑄𝑄𝑎𝑎𝑎𝑎𝑎𝑎	𝑄𝑄𝑎𝑎𝑎𝑎𝑎𝑎	PROPN
american_scientific_journal-3619	54	2	=	=	PUNCT
american_scientific_journal-3619	54	3	0.060	0.060	NUM
american_scientific_journal-3619	54	4	×	×	NOUN
american_scientific_journal-3619	54	5	𝑃𝑃𝑝𝑝𝑝𝑝𝑝𝑝	𝑃𝑃𝑝𝑝𝑝𝑝𝑝𝑝	PROPN
american_scientific_journal-3619	54	6	(	(	PUNCT
american_scientific_journal-3619	54	7	8)	8)	NUM
american_scientific_journal-3619	54	8	𝐹𝐹𝐹𝐹	𝐹𝐹𝐹𝐹	NOUN
american_scientific_journal-3619	54	9	=	=	PUNCT
american_scientific_journal-3619	55	1	𝑄𝑄𝑎𝑎𝑎𝑎𝑎𝑎	𝑄𝑄𝑎𝑎𝑎𝑎𝑎𝑎	PROPN
american_scientific_journal-3619	55	2	×	×	PROPN
american_scientific_journal-3619	55	3	𝑓𝑓𝑓𝑓𝑒𝑒𝑙𝑙	𝑓𝑓𝑓𝑓𝑒𝑒𝑙𝑙	ADJ
american_scientific_journal-3619	55	4	𝑝𝑝𝑝𝑝𝑝𝑝𝐹𝐹𝑒𝑒	𝑝𝑝𝑝𝑝𝑝𝑝𝐹𝐹𝑒𝑒	NOUN
american_scientific_journal-3619	55	5	(	(	PUNCT
american_scientific_journal-3619	55	6	9	9	X
american_scientific_journal-3619	55	7	)	)	PUNCT
american_scientific_journal-3619	55	8	american	american	ADJ
american_scientific_journal-3619	55	9	scientific	scientific	ADJ
american_scientific_journal-3619	55	10	research	research	NOUN
american_scientific_journal-3619	55	11	journal	journal	NOUN
american_scientific_journal-3619	55	12	for	for	ADP
american_scientific_journal-3619	55	13	engineering	engineering	NOUN
american_scientific_journal-3619	55	14	,	,	PUNCT
american_scientific_journal-3619	55	15	technology	technology	NOUN
american_scientific_journal-3619	55	16	,	,	PUNCT
american_scientific_journal-3619	55	17	and	and	CCONJ
american_scientific_journal-3619	55	18	sciences	science	NOUN
american_scientific_journal-3619	55	19	(	(	PUNCT
american_scientific_journal-3619	55	20	asrjets	asrjet	NOUN
american_scientific_journal-3619	55	21	)	)	PUNCT
american_scientific_journal-3619	55	22	(	(	PUNCT
american_scientific_journal-3619	55	23	2017	2017	NUM
american_scientific_journal-3619	55	24	)	)	PUNCT
american_scientific_journal-3619	55	25	volume	volume	NOUN
american_scientific_journal-3619	55	26	38	38	NUM
american_scientific_journal-3619	55	27	,	,	PUNCT
american_scientific_journal-3619	55	28	no	no	DET
american_scientific_journal-3619	55	29	2	2	NUM
american_scientific_journal-3619	55	30	,	,	PUNCT
american_scientific_journal-3619	55	31	pp	pp	ADV
american_scientific_journal-3619	55	32	214	214	NUM
american_scientific_journal-3619	55	33	-	-	SYM
american_scientific_journal-3619	55	34	225	225	NUM
american_scientific_journal-3619	55	35	218	218	NUM
american_scientific_journal-3619	55	36	where	where	SCONJ
american_scientific_journal-3619	55	37	:	:	PUNCT
american_scientific_journal-3619	55	38	𝑄𝑄𝑎𝑎𝑎𝑎𝑎𝑎	𝑄𝑄𝑎𝑎𝑎𝑎𝑎𝑎	PROPN
american_scientific_journal-3619	55	39	is	be	AUX
american_scientific_journal-3619	55	40	average	average	ADJ
american_scientific_journal-3619	55	41	gasoline	gasoline	NOUN
american_scientific_journal-3619	55	42	consumption	consumption	NOUN
american_scientific_journal-3619	55	43	(	(	PUNCT
american_scientific_journal-3619	55	44	l	l	NOUN
american_scientific_journal-3619	55	45	/	/	SYM
american_scientific_journal-3619	55	46	h	h	NOUN
american_scientific_journal-3619	55	47	)	)	PUNCT
american_scientific_journal-3619	56	1	𝑃𝑃𝑝𝑝𝑝𝑝𝑝𝑝	𝑃𝑃𝑝𝑝𝑝𝑝𝑝𝑝	NOUN
american_scientific_journal-3619	56	2	is	be	AUX
american_scientific_journal-3619	56	3	maximum	maximum	ADJ
american_scientific_journal-3619	56	4	pto	pto	PROPN
american_scientific_journal-3619	56	5	power	power	NOUN
american_scientific_journal-3619	56	6	(	(	PUNCT
american_scientific_journal-3619	56	7	kw	kw	NOUN
american_scientific_journal-3619	56	8	)	)	PUNCT
american_scientific_journal-3619	56	9	𝐹𝐹𝐹𝐹	𝐹𝐹𝐹𝐹	PROPN
american_scientific_journal-3619	56	10	is	be	AUX
american_scientific_journal-3619	56	11	fuel	fuel	NOUN
american_scientific_journal-3619	56	12	cost	cost	NOUN
american_scientific_journal-3619	56	13	lubrication	lubrication	NOUN
american_scientific_journal-3619	56	14	cost	cost	VERB
american_scientific_journal-3619	56	15	the	the	DET
american_scientific_journal-3619	56	16	lubricating	lubricating	NOUN
american_scientific_journal-3619	56	17	cost	cost	NOUN
american_scientific_journal-3619	56	18	was	be	AUX
american_scientific_journal-3619	56	19	calculated	calculate	VERB
american_scientific_journal-3619	56	20	using	use	VERB
american_scientific_journal-3619	56	21	15	15	NUM
american_scientific_journal-3619	56	22	%	%	NOUN
american_scientific_journal-3619	56	23	of	of	ADP
american_scientific_journal-3619	56	24	the	the	DET
american_scientific_journal-3619	56	25	fuel	fuel	NOUN
american_scientific_journal-3619	56	26	cost	cost	NOUN
american_scientific_journal-3619	56	27	in	in	ADP
american_scientific_journal-3619	56	28	line	line	NOUN
american_scientific_journal-3619	56	29	with	with	ADP
american_scientific_journal-3619	56	30	the	the	DET
american_scientific_journal-3619	56	31	approach	approach	NOUN
american_scientific_journal-3619	56	32	employed	employ	VERB
american_scientific_journal-3619	56	33	by	by	ADP
american_scientific_journal-3619	56	34	[	[	X
american_scientific_journal-3619	56	35	7	7	X
american_scientific_journal-3619	56	36	]	]	PUNCT
american_scientific_journal-3619	56	37	using	use	VERB
american_scientific_journal-3619	56	38	equation	equation	NOUN
american_scientific_journal-3619	56	39	(	(	PUNCT
american_scientific_journal-3619	56	40	10	10	NUM
american_scientific_journal-3619	56	41	)	)	PUNCT
american_scientific_journal-3619	56	42	.	.	PUNCT
american_scientific_journal-3619	57	1	𝐿𝐿𝐹𝐹	𝐿𝐿𝐹𝐹	PROPN
american_scientific_journal-3619	57	2	=	=	PUNCT
american_scientific_journal-3619	57	3	0.15𝐹𝐹𝐹𝐹	0.15𝐹𝐹𝐹𝐹	PUNCT
american_scientific_journal-3619	57	4	(	(	PUNCT
american_scientific_journal-3619	57	5	10	10	NUM
american_scientific_journal-3619	57	6	)	)	PUNCT
american_scientific_journal-3619	57	7	where	where	SCONJ
american_scientific_journal-3619	57	8	,	,	PUNCT
american_scientific_journal-3619	57	9	𝐿𝐿𝐹𝐹	𝐿𝐿𝐹𝐹	PROPN
american_scientific_journal-3619	57	10	is	be	AUX
american_scientific_journal-3619	57	11	the	the	DET
american_scientific_journal-3619	57	12	lubricating	lubricate	VERB
american_scientific_journal-3619	57	13	cost	cost	NOUN
american_scientific_journal-3619	57	14	𝐹𝐹𝐹𝐹	𝐹𝐹𝐹𝐹	NOUN
american_scientific_journal-3619	57	15	is	be	AUX
american_scientific_journal-3619	57	16	the	the	DET
american_scientific_journal-3619	57	17	fuel	fuel	NOUN
american_scientific_journal-3619	57	18	cost	cost	NOUN
american_scientific_journal-3619	57	19	workmanship	workmanship	NOUN
american_scientific_journal-3619	57	20	cost	cost	VERB
american_scientific_journal-3619	57	21	the	the	DET
american_scientific_journal-3619	57	22	labor	labor	NOUN
american_scientific_journal-3619	57	23	costs	cost	NOUN
american_scientific_journal-3619	57	24	were	be	AUX
american_scientific_journal-3619	57	25	determined	determine	VERB
american_scientific_journal-3619	57	26	by	by	ADP
american_scientific_journal-3619	57	27	multiplying	multiply	VERB
american_scientific_journal-3619	57	28	the	the	DET
american_scientific_journal-3619	57	29	labor	labor	NOUN
american_scientific_journal-3619	57	30	wage	wage	NOUN
american_scientific_journal-3619	57	31	rate	rate	NOUN
american_scientific_journal-3619	57	32	times	time	NOUN
american_scientific_journal-3619	57	33	by	by	ADP
american_scientific_journal-3619	57	34	1.1	1.1	NUM
american_scientific_journal-3619	57	35	or	or	CCONJ
american_scientific_journal-3619	57	36	1.2	1.2	NUM
american_scientific_journal-3619	57	37	as	as	SCONJ
american_scientific_journal-3619	57	38	reported	report	VERB
american_scientific_journal-3619	57	39	by	by	ADP
american_scientific_journal-3619	57	40	[	[	X
american_scientific_journal-3619	57	41	6	6	NUM
american_scientific_journal-3619	57	42	]	]	PUNCT
american_scientific_journal-3619	57	43	using	use	VERB
american_scientific_journal-3619	57	44	equation	equation	NOUN
american_scientific_journal-3619	57	45	(	(	PUNCT
american_scientific_journal-3619	57	46	11	11	NUM
american_scientific_journal-3619	57	47	)	)	PUNCT
american_scientific_journal-3619	57	48	.	.	PUNCT
american_scientific_journal-3619	58	1	𝑊𝑊𝑊𝑊𝑝𝑝𝑊𝑊𝑊𝑊𝑎𝑎𝑙𝑙𝑊𝑊ℎ𝑝𝑝𝑝𝑝	𝑊𝑊𝑊𝑊𝑝𝑝𝑊𝑊𝑊𝑊𝑎𝑎𝑙𝑙𝑊𝑊ℎ𝑝𝑝𝑝𝑝	NOUN
american_scientific_journal-3619	58	2	𝐹𝐹𝑊𝑊𝑊𝑊𝑐𝑐	𝐹𝐹𝑊𝑊𝑊𝑊𝑐𝑐	PROPN
american_scientific_journal-3619	58	3	=	=	SYM
american_scientific_journal-3619	58	4	𝑤𝑤𝑎𝑎𝑤𝑤𝑒𝑒	𝑤𝑤𝑎𝑎𝑤𝑤𝑒𝑒	NOUN
american_scientific_journal-3619	58	5	𝑝𝑝𝑎𝑎𝑐𝑐𝑒𝑒	𝑝𝑝𝑎𝑎𝑐𝑐𝑒𝑒	NOUN
american_scientific_journal-3619	58	6	×	×	PROPN
american_scientific_journal-3619	58	7	1.1	1.1	NUM
american_scientific_journal-3619	58	8	𝑊𝑊𝑝𝑝	𝑊𝑊𝑝𝑝	PROPN
american_scientific_journal-3619	58	9	1.2	1.2	NUM
american_scientific_journal-3619	58	10	(	(	PUNCT
american_scientific_journal-3619	58	11	11	11	NUM
american_scientific_journal-3619	58	12	)	)	PUNCT
american_scientific_journal-3619	58	13	other	other	ADJ
american_scientific_journal-3619	58	14	cost	cost	NOUN
american_scientific_journal-3619	58	15	parameters	parameter	NOUN
american_scientific_journal-3619	58	16	such	such	ADJ
american_scientific_journal-3619	58	17	as	as	ADP
american_scientific_journal-3619	58	18	the	the	DET
american_scientific_journal-3619	58	19	cost	cost	NOUN
american_scientific_journal-3619	58	20	of	of	ADP
american_scientific_journal-3619	58	21	spare	spare	ADJ
american_scientific_journal-3619	58	22	parts	part	NOUN
american_scientific_journal-3619	58	23	and	and	CCONJ
american_scientific_journal-3619	58	24	filters	filter	NOUN
american_scientific_journal-3619	58	25	(	(	PUNCT
american_scientific_journal-3619	58	26	oil	oil	NOUN
american_scientific_journal-3619	58	27	and	and	CCONJ
american_scientific_journal-3619	58	28	fuel	fuel	NOUN
american_scientific_journal-3619	58	29	)	)	PUNCT
american_scientific_journal-3619	58	30	were	be	AUX
american_scientific_journal-3619	58	31	determined	determine	VERB
american_scientific_journal-3619	58	32	from	from	ADP
american_scientific_journal-3619	58	33	the	the	DET
american_scientific_journal-3619	58	34	records	record	NOUN
american_scientific_journal-3619	58	35	presented	present	VERB
american_scientific_journal-3619	58	36	at	at	ADP
american_scientific_journal-3619	58	37	the	the	DET
american_scientific_journal-3619	58	38	aes	aes	PROPN
american_scientific_journal-3619	58	39	3	3	NUM
american_scientific_journal-3619	58	40	.	.	NOUN
american_scientific_journal-3619	58	41	result	result	NOUN
american_scientific_journal-3619	58	42	and	and	CCONJ
american_scientific_journal-3619	58	43	discussions	discussion	NOUN
american_scientific_journal-3619	58	44	3.1	3.1	NUM
american_scientific_journal-3619	58	45	.	.	PUNCT
american_scientific_journal-3619	59	1	determination	determination	NOUN
american_scientific_journal-3619	59	2	of	of	ADP
american_scientific_journal-3619	59	3	mean	mean	ADJ
american_scientific_journal-3619	59	4	annual	annual	ADJ
american_scientific_journal-3619	59	5	r&m	r&m	NOUN
american_scientific_journal-3619	59	6	cost	cost	NOUN
american_scientific_journal-3619	59	7	of	of	ADP
american_scientific_journal-3619	59	8	the	the	DET
american_scientific_journal-3619	59	9	studied	study	VERB
american_scientific_journal-3619	59	10	tractor	tractor	NOUN
american_scientific_journal-3619	59	11	repair	repair	NOUN
american_scientific_journal-3619	59	12	and	and	CCONJ
american_scientific_journal-3619	59	13	maintenance	maintenance	NOUN
american_scientific_journal-3619	59	14	costs	cost	NOUN
american_scientific_journal-3619	59	15	of	of	ADP
american_scientific_journal-3619	59	16	the	the	DET
american_scientific_journal-3619	59	17	jd-5403	jd-5403	NOUN
american_scientific_journal-3619	59	18	tractor	tractor	NOUN
american_scientific_journal-3619	59	19	were	be	AUX
american_scientific_journal-3619	59	20	sought	seek	VERB
american_scientific_journal-3619	59	21	from	from	ADP
american_scientific_journal-3619	59	22	the	the	DET
american_scientific_journal-3619	59	23	following	following	NOUN
american_scientific_journal-3619	59	24	:	:	PUNCT
american_scientific_journal-3619	59	25	fuel	fuel	NOUN
american_scientific_journal-3619	59	26	consumption	consumption	NOUN
american_scientific_journal-3619	59	27	cost	cost	NOUN
american_scientific_journal-3619	59	28	,	,	PUNCT
american_scientific_journal-3619	59	29	lubrication	lubrication	NOUN
american_scientific_journal-3619	59	30	oil	oil	NOUN
american_scientific_journal-3619	59	31	cost	cost	NOUN
american_scientific_journal-3619	59	32	,	,	PUNCT
american_scientific_journal-3619	59	33	oil	oil	NOUN
american_scientific_journal-3619	59	34	and	and	CCONJ
american_scientific_journal-3619	59	35	filter	filter	NOUN
american_scientific_journal-3619	59	36	replacement	replacement	NOUN
american_scientific_journal-3619	59	37	cost	cost	NOUN
american_scientific_journal-3619	59	38	,	,	PUNCT
american_scientific_journal-3619	59	39	spare	spare	ADJ
american_scientific_journal-3619	59	40	parts	part	NOUN
american_scientific_journal-3619	59	41	cost	cost	NOUN
american_scientific_journal-3619	59	42	and	and	CCONJ
american_scientific_journal-3619	59	43	workmanship	workmanship	NOUN
american_scientific_journal-3619	59	44	cost	cost	NOUN
american_scientific_journal-3619	59	45	.	.	PUNCT
american_scientific_journal-3619	60	1	figure	figure	NOUN
american_scientific_journal-3619	60	2	(	(	PUNCT
american_scientific_journal-3619	60	3	2	2	NUM
american_scientific_journal-3619	60	4	)	)	PUNCT
american_scientific_journal-3619	60	5	presents	present	VERB
american_scientific_journal-3619	60	6	the	the	DET
american_scientific_journal-3619	60	7	result	result	NOUN
american_scientific_journal-3619	60	8	of	of	ADP
american_scientific_journal-3619	60	9	the	the	DET
american_scientific_journal-3619	60	10	calculated	calculate	VERB
american_scientific_journal-3619	60	11	mean	mean	ADJ
american_scientific_journal-3619	60	12	annual	annual	ADJ
american_scientific_journal-3619	60	13	repair	repair	NOUN
american_scientific_journal-3619	60	14	and	and	CCONJ
american_scientific_journal-3619	60	15	maintenance	maintenance	NOUN
american_scientific_journal-3619	60	16	costs	cost	NOUN
american_scientific_journal-3619	60	17	of	of	ADP
american_scientific_journal-3619	60	18	the	the	DET
american_scientific_journal-3619	60	19	studied	study	VERB
american_scientific_journal-3619	60	20	tractor	tractor	NOUN
american_scientific_journal-3619	60	21	with	with	ADP
american_scientific_journal-3619	60	22	the	the	DET
american_scientific_journal-3619	60	23	cost	cost	NOUN
american_scientific_journal-3619	60	24	of	of	ADP
american_scientific_journal-3619	60	25	each	each	DET
american_scientific_journal-3619	60	26	parameter	parameter	NOUN
american_scientific_journal-3619	60	27	and	and	CCONJ
american_scientific_journal-3619	60	28	percentage	percentage	NOUN
american_scientific_journal-3619	60	29	share	share	NOUN
american_scientific_journal-3619	60	30	of	of	ADP
american_scientific_journal-3619	60	31	the	the	DET
american_scientific_journal-3619	60	32	total	total	NOUN
american_scientific_journal-3619	60	33	using	use	VERB
american_scientific_journal-3619	60	34	equations	equation	NOUN
american_scientific_journal-3619	60	35	(	(	PUNCT
american_scientific_journal-3619	60	36	8	8	NUM
american_scientific_journal-3619	60	37	-	-	SYM
american_scientific_journal-3619	60	38	11	11	NUM
american_scientific_journal-3619	60	39	)	)	PUNCT
american_scientific_journal-3619	60	40	.	.	PUNCT
american_scientific_journal-3619	61	1	it	it	PRON
american_scientific_journal-3619	61	2	was	be	AUX
american_scientific_journal-3619	61	3	observed	observe	VERB
american_scientific_journal-3619	61	4	that	that	SCONJ
american_scientific_journal-3619	61	5	the	the	DET
american_scientific_journal-3619	61	6	cost	cost	NOUN
american_scientific_journal-3619	61	7	of	of	ADP
american_scientific_journal-3619	61	8	tractor	tractor	NOUN
american_scientific_journal-3619	61	9	spare	spare	ADJ
american_scientific_journal-3619	61	10	parts	part	NOUN
american_scientific_journal-3619	61	11	replacement	replacement	NOUN
american_scientific_journal-3619	61	12	had	have	VERB
american_scientific_journal-3619	61	13	the	the	DET
american_scientific_journal-3619	61	14	highest	high	ADJ
american_scientific_journal-3619	61	15	percentage	percentage	NOUN
american_scientific_journal-3619	61	16	share	share	NOUN
american_scientific_journal-3619	61	17	compared	compare	VERB
american_scientific_journal-3619	61	18	to	to	ADP
american_scientific_journal-3619	61	19	other	other	ADJ
american_scientific_journal-3619	61	20	cost	cost	NOUN
american_scientific_journal-3619	61	21	parameters	parameter	NOUN
american_scientific_journal-3619	61	22	.	.	PUNCT
american_scientific_journal-3619	62	1	the	the	DET
american_scientific_journal-3619	62	2	resulted	resulted	ADJ
american_scientific_journal-3619	62	3	values	value	NOUN
american_scientific_journal-3619	62	4	of	of	ADP
american_scientific_journal-3619	62	5	spare	spare	ADJ
american_scientific_journal-3619	62	6	parts	part	NOUN
american_scientific_journal-3619	62	7	cost	cost	NOUN
american_scientific_journal-3619	62	8	for	for	ADP
american_scientific_journal-3619	62	9	jd-5403	jd-5403	NOUN
american_scientific_journal-3619	62	10	was	be	AUX
american_scientific_journal-3619	62	11	52	52	NUM
american_scientific_journal-3619	62	12	%	%	NOUN
american_scientific_journal-3619	62	13	.	.	PUNCT
american_scientific_journal-3619	63	1	the	the	DET
american_scientific_journal-3619	63	2	large	large	ADJ
american_scientific_journal-3619	63	3	share	share	NOUN
american_scientific_journal-3619	63	4	of	of	ADP
american_scientific_journal-3619	63	5	tractor	tractor	NOUN
american_scientific_journal-3619	63	6	spare	spare	ADJ
american_scientific_journal-3619	63	7	parts	part	NOUN
american_scientific_journal-3619	63	8	cost	cost	NOUN
american_scientific_journal-3619	63	9	can	can	AUX
american_scientific_journal-3619	63	10	be	be	AUX
american_scientific_journal-3619	63	11	due	due	ADJ
american_scientific_journal-3619	63	12	to	to	ADP
american_scientific_journal-3619	63	13	numerous	numerous	ADJ
american_scientific_journal-3619	63	14	factors	factor	NOUN
american_scientific_journal-3619	63	15	such	such	ADJ
american_scientific_journal-3619	63	16	as	as	ADP
american_scientific_journal-3619	63	17	making	make	VERB
american_scientific_journal-3619	63	18	use	use	NOUN
american_scientific_journal-3619	63	19	of	of	ADP
american_scientific_journal-3619	63	20	substandard	substandard	ADJ
american_scientific_journal-3619	63	21	tractor	tractor	NOUN
american_scientific_journal-3619	63	22	spare	spare	ADJ
american_scientific_journal-3619	63	23	parts	part	NOUN
american_scientific_journal-3619	63	24	and	and	CCONJ
american_scientific_journal-3619	63	25	unsuitable	unsuitable	ADJ
american_scientific_journal-3619	63	26	use	use	NOUN
american_scientific_journal-3619	63	27	of	of	ADP
american_scientific_journal-3619	63	28	tractor	tractor	NOUN
american_scientific_journal-3619	63	29	by	by	ADP
american_scientific_journal-3619	63	30	inexperience	inexperience	NOUN
american_scientific_journal-3619	63	31	operators	operator	NOUN
american_scientific_journal-3619	63	32	.	.	PUNCT
american_scientific_journal-3619	64	1	american	american	ADJ
american_scientific_journal-3619	64	2	scientific	scientific	ADJ
american_scientific_journal-3619	64	3	research	research	PROPN
american_scientific_journal-3619	64	4	journal	journal	NOUN
american_scientific_journal-3619	64	5	for	for	ADP
american_scientific_journal-3619	64	6	engineering	engineering	NOUN
american_scientific_journal-3619	64	7	,	,	PUNCT
american_scientific_journal-3619	64	8	technology	technology	NOUN
american_scientific_journal-3619	64	9	,	,	PUNCT
american_scientific_journal-3619	64	10	and	and	CCONJ
american_scientific_journal-3619	64	11	sciences	science	NOUN
american_scientific_journal-3619	64	12	(	(	PUNCT
american_scientific_journal-3619	64	13	asrjets	asrjet	NOUN
american_scientific_journal-3619	64	14	)	)	PUNCT
american_scientific_journal-3619	64	15	(	(	PUNCT
american_scientific_journal-3619	64	16	2017	2017	NUM
american_scientific_journal-3619	64	17	)	)	PUNCT
american_scientific_journal-3619	64	18	volume	volume	NOUN
american_scientific_journal-3619	64	19	38	38	NUM
american_scientific_journal-3619	64	20	,	,	PUNCT
american_scientific_journal-3619	64	21	no	no	DET
american_scientific_journal-3619	64	22	2	2	NUM
american_scientific_journal-3619	64	23	,	,	PUNCT
american_scientific_journal-3619	64	24	pp	pp	ADV
american_scientific_journal-3619	64	25	214	214	NUM
american_scientific_journal-3619	64	26	-	-	SYM
american_scientific_journal-3619	64	27	225	225	NUM
american_scientific_journal-3619	64	28	219	219	NUM
american_scientific_journal-3619	64	29	figure	figure	NOUN
american_scientific_journal-3619	64	30	2	2	NUM
american_scientific_journal-3619	64	31	:	:	PUNCT
american_scientific_journal-3619	64	32	the	the	DET
american_scientific_journal-3619	64	33	mean	mean	ADJ
american_scientific_journal-3619	64	34	annual	annual	ADJ
american_scientific_journal-3619	64	35	r&m	r&m	NOUN
american_scientific_journal-3619	64	36	costs	cost	NOUN
american_scientific_journal-3619	64	37	for	for	ADP
american_scientific_journal-3619	64	38	jd-5403	jd-5403	NOUN
american_scientific_journal-3619	64	39	the	the	DET
american_scientific_journal-3619	64	40	next	next	ADJ
american_scientific_journal-3619	64	41	r&m	r&m	NOUN
american_scientific_journal-3619	64	42	cost	cost	NOUN
american_scientific_journal-3619	64	43	parameter	parameter	NOUN
american_scientific_journal-3619	64	44	with	with	ADP
american_scientific_journal-3619	64	45	high	high	ADJ
american_scientific_journal-3619	64	46	cost	cost	NOUN
american_scientific_journal-3619	64	47	of	of	ADP
american_scientific_journal-3619	64	48	the	the	DET
american_scientific_journal-3619	64	49	percentage	percentage	NOUN
american_scientific_journal-3619	64	50	total	total	NOUN
american_scientific_journal-3619	64	51	was	be	AUX
american_scientific_journal-3619	64	52	the	the	DET
american_scientific_journal-3619	64	53	workmanship	workmanship	NOUN
american_scientific_journal-3619	64	54	cost	cost	VERB
american_scientific_journal-3619	64	55	with	with	ADP
american_scientific_journal-3619	64	56	29	29	NUM
american_scientific_journal-3619	64	57	%	%	NOUN
american_scientific_journal-3619	64	58	.	.	PUNCT
american_scientific_journal-3619	65	1	while	while	SCONJ
american_scientific_journal-3619	65	2	the	the	DET
american_scientific_journal-3619	65	3	least	least	ADJ
american_scientific_journal-3619	65	4	cost	cost	NOUN
american_scientific_journal-3619	65	5	was	be	AUX
american_scientific_journal-3619	65	6	obtained	obtain	VERB
american_scientific_journal-3619	65	7	from	from	ADP
american_scientific_journal-3619	65	8	oil	oil	NOUN
american_scientific_journal-3619	65	9	and	and	CCONJ
american_scientific_journal-3619	65	10	fuel	fuel	NOUN
american_scientific_journal-3619	65	11	filters	filter	NOUN
american_scientific_journal-3619	65	12	parameter	parameter	NOUN
american_scientific_journal-3619	65	13	valuing	value	VERB
american_scientific_journal-3619	65	14	3	3	NUM
american_scientific_journal-3619	65	15	%	%	NOUN
american_scientific_journal-3619	65	16	for	for	ADP
american_scientific_journal-3619	65	17	jd-5403	jd-5403	NOUN
american_scientific_journal-3619	65	18	.	.	PUNCT
american_scientific_journal-3619	66	1	the	the	DET
american_scientific_journal-3619	66	2	large	large	ADJ
american_scientific_journal-3619	66	3	share	share	NOUN
american_scientific_journal-3619	66	4	of	of	ADP
american_scientific_journal-3619	66	5	workmanship	workmanship	NOUN
american_scientific_journal-3619	66	6	cost	cost	NOUN
american_scientific_journal-3619	66	7	can	can	AUX
american_scientific_journal-3619	66	8	be	be	AUX
american_scientific_journal-3619	66	9	mainly	mainly	ADV
american_scientific_journal-3619	66	10	due	due	ADJ
american_scientific_journal-3619	66	11	to	to	ADP
american_scientific_journal-3619	66	12	high	high	ADJ
american_scientific_journal-3619	66	13	interest	interest	NOUN
american_scientific_journal-3619	66	14	rate	rate	NOUN
american_scientific_journal-3619	66	15	and	and	CCONJ
american_scientific_journal-3619	66	16	subsequent	subsequent	ADJ
american_scientific_journal-3619	66	17	rapid	rapid	ADJ
american_scientific_journal-3619	66	18	wage	wage	NOUN
american_scientific_journal-3619	66	19	increase	increase	NOUN
american_scientific_journal-3619	66	20	.	.	PUNCT
american_scientific_journal-3619	67	1	the	the	DET
american_scientific_journal-3619	67	2	results	result	NOUN
american_scientific_journal-3619	67	3	reported	report	VERB
american_scientific_journal-3619	67	4	in	in	ADP
american_scientific_journal-3619	67	5	this	this	DET
american_scientific_journal-3619	67	6	study	study	NOUN
american_scientific_journal-3619	67	7	was	be	AUX
american_scientific_journal-3619	67	8	similar	similar	ADJ
american_scientific_journal-3619	67	9	to	to	ADP
american_scientific_journal-3619	67	10	the	the	DET
american_scientific_journal-3619	67	11	one	one	NOUN
american_scientific_journal-3619	67	12	obtained	obtain	VERB
american_scientific_journal-3619	67	13	by	by	ADP
american_scientific_journal-3619	67	14	[	[	X
american_scientific_journal-3619	67	15	4	4	NUM
american_scientific_journal-3619	67	16	]	]	PUNCT
american_scientific_journal-3619	67	17	and	and	CCONJ
american_scientific_journal-3619	67	18	[	[	X
american_scientific_journal-3619	67	19	8	8	NUM
american_scientific_journal-3619	67	20	]	]	PUNCT
american_scientific_journal-3619	67	21	.	.	PUNCT
american_scientific_journal-3619	68	1	table	table	NOUN
american_scientific_journal-3619	68	2	(	(	PUNCT
american_scientific_journal-3619	68	3	1	1	X
american_scientific_journal-3619	68	4	)	)	PUNCT
american_scientific_journal-3619	68	5	presents	present	VERB
american_scientific_journal-3619	68	6	the	the	DET
american_scientific_journal-3619	68	7	results	result	NOUN
american_scientific_journal-3619	68	8	of	of	ADP
american_scientific_journal-3619	68	9	the	the	DET
american_scientific_journal-3619	68	10	calculated	calculate	VERB
american_scientific_journal-3619	68	11	accumulated	accumulate	VERB
american_scientific_journal-3619	68	12	repair	repair	NOUN
american_scientific_journal-3619	68	13	and	and	CCONJ
american_scientific_journal-3619	68	14	maintenance	maintenance	NOUN
american_scientific_journal-3619	68	15	cost	cost	NOUN
american_scientific_journal-3619	68	16	(	(	PUNCT
american_scientific_journal-3619	68	17	dependent	dependent	ADJ
american_scientific_journal-3619	68	18	variable	variable	NOUN
american_scientific_journal-3619	68	19	)	)	PUNCT
american_scientific_journal-3619	68	20	and	and	CCONJ
american_scientific_journal-3619	68	21	accumulated	accumulate	VERB
american_scientific_journal-3619	68	22	working	work	VERB
american_scientific_journal-3619	68	23	hours	hour	NOUN
american_scientific_journal-3619	68	24	(	(	PUNCT
american_scientific_journal-3619	68	25	independent	independent	ADJ
american_scientific_journal-3619	68	26	variable	variable	NOUN
american_scientific_journal-3619	68	27	)	)	PUNCT
american_scientific_journal-3619	68	28	,	,	PUNCT
american_scientific_journal-3619	68	29	determined	determine	VERB
american_scientific_journal-3619	68	30	for	for	ADP
american_scientific_journal-3619	68	31	the	the	DET
american_scientific_journal-3619	68	32	jd-5403	jd-5403	PROPN
american_scientific_journal-3619	68	33	tractor	tractor	NOUN
american_scientific_journal-3619	68	34	using	use	VERB
american_scientific_journal-3619	68	35	eq	eq	NOUN
american_scientific_journal-3619	68	36	(	(	PUNCT
american_scientific_journal-3619	68	37	1	1	NUM
american_scientific_journal-3619	68	38	-	-	SYM
american_scientific_journal-3619	68	39	2	2	NUM
american_scientific_journal-3619	68	40	)	)	PUNCT
american_scientific_journal-3619	68	41	for	for	ADP
american_scientific_journal-3619	68	42	their	their	PRON
american_scientific_journal-3619	68	43	different	different	ADJ
american_scientific_journal-3619	68	44	ages	age	NOUN
american_scientific_journal-3619	68	45	.	.	PUNCT
american_scientific_journal-3619	69	1	these	these	DET
american_scientific_journal-3619	69	2	results	result	NOUN
american_scientific_journal-3619	69	3	were	be	AUX
american_scientific_journal-3619	69	4	used	use	VERB
american_scientific_journal-3619	69	5	as	as	ADP
american_scientific_journal-3619	69	6	data	data	NOUN
american_scientific_journal-3619	69	7	base	base	NOUN
american_scientific_journal-3619	69	8	for	for	ADP
american_scientific_journal-3619	69	9	the	the	DET
american_scientific_journal-3619	69	10	trend	trend	NOUN
american_scientific_journal-3619	69	11	function	function	NOUN
american_scientific_journal-3619	69	12	analysis	analysis	NOUN
american_scientific_journal-3619	69	13	,	,	PUNCT
american_scientific_journal-3619	69	14	regression	regression	VERB
american_scientific_journal-3619	69	15	analysis	analysis	NOUN
american_scientific_journal-3619	69	16	and	and	CCONJ
american_scientific_journal-3619	69	17	development	development	NOUN
american_scientific_journal-3619	69	18	of	of	ADP
american_scientific_journal-3619	69	19	our	our	PRON
american_scientific_journal-3619	69	20	mathematical	mathematical	ADJ
american_scientific_journal-3619	69	21	model	model	NOUN
american_scientific_journal-3619	69	22	.	.	PUNCT
american_scientific_journal-3619	70	1	table	table	NOUN
american_scientific_journal-3619	70	2	1	1	NUM
american_scientific_journal-3619	70	3	:	:	PUNCT
american_scientific_journal-3619	70	4	accumulated	accumulate	VERB
american_scientific_journal-3619	70	5	working	working	NOUN
american_scientific_journal-3619	70	6	hours	hour	NOUN
american_scientific_journal-3619	70	7	and	and	CCONJ
american_scientific_journal-3619	70	8	accumulated	accumulate	VERB
american_scientific_journal-3619	70	9	repair	repair	NOUN
american_scientific_journal-3619	70	10	and	and	CCONJ
american_scientific_journal-3619	70	11	maintenance	maintenance	NOUN
american_scientific_journal-3619	70	12	cost	cost	NOUN
american_scientific_journal-3619	70	13	percentage	percentage	NOUN
american_scientific_journal-3619	70	14	for	for	ADP
american_scientific_journal-3619	70	15	the	the	DET
american_scientific_journal-3619	70	16	studied	study	VERB
american_scientific_journal-3619	70	17	tractor	tractor	NOUN
american_scientific_journal-3619	70	18	age	age	NOUN
american_scientific_journal-3619	70	19	(	(	PUNCT
american_scientific_journal-3619	70	20	years	year	NOUN
american_scientific_journal-3619	70	21	)	)	PUNCT
american_scientific_journal-3619	70	22	jd-5403	jd-5403	NOUN
american_scientific_journal-3619	70	23	accumulated	accumulate	VERB
american_scientific_journal-3619	70	24	working	work	VERB
american_scientific_journal-3619	70	25	hours	hour	NOUN
american_scientific_journal-3619	70	26	(	(	PUNCT
american_scientific_journal-3619	70	27	h	h	NOUN
american_scientific_journal-3619	70	28	)	)	PUNCT
american_scientific_journal-3619	70	29	accumulated	accumulate	VERB
american_scientific_journal-3619	70	30	r&m	r&m	NOUN
american_scientific_journal-3619	70	31	cost	cost	NOUN
american_scientific_journal-3619	70	32	as	as	ADP
american_scientific_journal-3619	70	33	a	a	DET
american_scientific_journal-3619	70	34	percentage	percentage	NOUN
american_scientific_journal-3619	70	35	of	of	ADP
american_scientific_journal-3619	70	36	list	list	NOUN
american_scientific_journal-3619	70	37	purchase	purchase	NOUN
american_scientific_journal-3619	70	38	price	price	NOUN
american_scientific_journal-3619	70	39	(	(	PUNCT
american_scientific_journal-3619	70	40	%	%	NOUN
american_scientific_journal-3619	70	41	)	)	PUNCT
american_scientific_journal-3619	70	42	1	1	NUM
american_scientific_journal-3619	70	43	1020	1020	NUM
american_scientific_journal-3619	70	44	0.38	0.38	NUM
american_scientific_journal-3619	70	45	2	2	NUM
american_scientific_journal-3619	70	46	2150	2150	NUM
american_scientific_journal-3619	70	47	1.19	1.19	NUM
american_scientific_journal-3619	70	48	3	3	NUM
american_scientific_journal-3619	70	49	3380	3380	NUM
american_scientific_journal-3619	70	50	2.45	2.45	NUM
american_scientific_journal-3619	70	51	4	4	NUM
american_scientific_journal-3619	70	52	4318	4318	NUM
american_scientific_journal-3619	70	53	3.98	3.98	NUM
american_scientific_journal-3619	70	54	5	5	NUM
american_scientific_journal-3619	70	55	5461	5461	NUM
american_scientific_journal-3619	70	56	6.65	6.65	NUM
american_scientific_journal-3619	70	57	6	6	NUM
american_scientific_journal-3619	70	58	6506	6506	NUM
american_scientific_journal-3619	70	59	7.89	7.89	NUM
american_scientific_journal-3619	70	60	7	7	NUM
american_scientific_journal-3619	70	61	7381	7381	NUM
american_scientific_journal-3619	70	62	11.03	11.03	NUM
american_scientific_journal-3619	70	63	8	8	NUM
american_scientific_journal-3619	70	64	8406	8406	NUM
american_scientific_journal-3619	70	65	14.33	14.33	NUM
american_scientific_journal-3619	70	66	9	9	NUM
american_scientific_journal-3619	70	67	9318	9318	NUM
american_scientific_journal-3619	70	68	18.86	18.86	NUM
american_scientific_journal-3619	70	69	10	10	NUM
american_scientific_journal-3619	70	70	10284	10284	NUM
american_scientific_journal-3619	70	71	24.43	24.43	NUM
american_scientific_journal-3619	70	72	spare	spare	ADJ
american_scientific_journal-3619	70	73	parts	part	NOUN
american_scientific_journal-3619	70	74	52	52	NUM
american_scientific_journal-3619	70	75	%	%	NOUN
american_scientific_journal-3619	70	76	workmanship	workmanship	NOUN
american_scientific_journal-3619	70	77	29	29	NUM
american_scientific_journal-3619	70	78	%	%	NOUN
american_scientific_journal-3619	70	79	oil	oil	NOUN
american_scientific_journal-3619	70	80	and	and	CCONJ
american_scientific_journal-3619	70	81	fuel	fuel	NOUN
american_scientific_journal-3619	70	82	filters	filter	NOUN
american_scientific_journal-3619	70	83	3	3	NUM
american_scientific_journal-3619	70	84	%	%	NOUN
american_scientific_journal-3619	70	85	fuel	fuel	NOUN
american_scientific_journal-3619	70	86	consumption	consumption	NOUN
american_scientific_journal-3619	70	87	12	12	NUM
american_scientific_journal-3619	70	88	%	%	NOUN
american_scientific_journal-3619	70	89	lubrication	lubrication	NOUN
american_scientific_journal-3619	70	90	oil	oil	NOUN
american_scientific_journal-3619	70	91	4	4	NUM
american_scientific_journal-3619	70	92	%	%	NOUN
american_scientific_journal-3619	70	93	spare	spare	ADJ
american_scientific_journal-3619	70	94	parts	part	NOUN
american_scientific_journal-3619	70	95	workmanship	workmanship	VERB
american_scientific_journal-3619	70	96	oil	oil	NOUN
american_scientific_journal-3619	70	97	and	and	CCONJ
american_scientific_journal-3619	70	98	fuel	fuel	NOUN
american_scientific_journal-3619	70	99	filters	filter	NOUN
american_scientific_journal-3619	70	100	fuel	fuel	NOUN
american_scientific_journal-3619	70	101	consumption	consumption	NOUN
american_scientific_journal-3619	70	102	lubrication	lubrication	NOUN
american_scientific_journal-3619	70	103	oil	oil	NOUN
american_scientific_journal-3619	70	104	american	american	PROPN
american_scientific_journal-3619	70	105	scientific	scientific	ADJ
american_scientific_journal-3619	70	106	research	research	NOUN
american_scientific_journal-3619	70	107	journal	journal	NOUN
american_scientific_journal-3619	70	108	for	for	ADP
american_scientific_journal-3619	70	109	engineering	engineering	NOUN
american_scientific_journal-3619	70	110	,	,	PUNCT
american_scientific_journal-3619	70	111	technology	technology	NOUN
american_scientific_journal-3619	70	112	,	,	PUNCT
american_scientific_journal-3619	70	113	and	and	CCONJ
american_scientific_journal-3619	70	114	sciences	science	NOUN
american_scientific_journal-3619	70	115	(	(	PUNCT
american_scientific_journal-3619	70	116	asrjets	asrjet	NOUN
american_scientific_journal-3619	70	117	)	)	PUNCT
american_scientific_journal-3619	70	118	(	(	PUNCT
american_scientific_journal-3619	70	119	2017	2017	NUM
american_scientific_journal-3619	70	120	)	)	PUNCT
american_scientific_journal-3619	70	121	volume	volume	NOUN
american_scientific_journal-3619	70	122	38	38	NUM
american_scientific_journal-3619	70	123	,	,	PUNCT
american_scientific_journal-3619	70	124	no	no	DET
american_scientific_journal-3619	70	125	2	2	NUM
american_scientific_journal-3619	70	126	,	,	PUNCT
american_scientific_journal-3619	70	127	pp	pp	ADV
american_scientific_journal-3619	70	128	214	214	NUM
american_scientific_journal-3619	70	129	-	-	SYM
american_scientific_journal-3619	70	130	225	225	NUM
american_scientific_journal-3619	70	131	220	220	NUM
american_scientific_journal-3619	70	132	3.2	3.2	NUM
american_scientific_journal-3619	70	133	.	.	PUNCT
american_scientific_journal-3619	71	1	results	result	NOUN
american_scientific_journal-3619	71	2	of	of	ADP
american_scientific_journal-3619	71	3	the	the	DET
american_scientific_journal-3619	71	4	trend	trend	NOUN
american_scientific_journal-3619	71	5	function	function	NOUN
american_scientific_journal-3619	71	6	analysis	analysis	NOUN
american_scientific_journal-3619	71	7	using	use	VERB
american_scientific_journal-3619	71	8	excel	excel	NOUN
american_scientific_journal-3619	71	9	in	in	ADP
american_scientific_journal-3619	71	10	order	order	NOUN
american_scientific_journal-3619	71	11	to	to	PART
american_scientific_journal-3619	71	12	establish	establish	VERB
american_scientific_journal-3619	71	13	the	the	DET
american_scientific_journal-3619	71	14	equations	equation	NOUN
american_scientific_journal-3619	71	15	for	for	ADP
american_scientific_journal-3619	71	16	predicting	predict	VERB
american_scientific_journal-3619	71	17	future	future	ADJ
american_scientific_journal-3619	71	18	r&m	r&m	NOUN
american_scientific_journal-3619	71	19	cost	cost	NOUN
american_scientific_journal-3619	71	20	of	of	ADP
american_scientific_journal-3619	71	21	the	the	DET
american_scientific_journal-3619	71	22	studied	study	VERB
american_scientific_journal-3619	71	23	tractors	tractor	NOUN
american_scientific_journal-3619	71	24	,	,	PUNCT
american_scientific_journal-3619	71	25	a	a	DET
american_scientific_journal-3619	71	26	trend	trend	NOUN
american_scientific_journal-3619	71	27	function	function	NOUN
american_scientific_journal-3619	71	28	analysis	analysis	NOUN
american_scientific_journal-3619	71	29	was	be	AUX
american_scientific_journal-3619	71	30	carried	carry	VERB
american_scientific_journal-3619	71	31	out	out	ADP
american_scientific_journal-3619	71	32	using	use	VERB
american_scientific_journal-3619	71	33	excel	excel	NOUN
american_scientific_journal-3619	71	34	2016	2016	NUM
american_scientific_journal-3619	71	35	.	.	PUNCT
american_scientific_journal-3619	72	1	this	this	PRON
american_scientific_journal-3619	72	2	permits	permit	VERB
american_scientific_journal-3619	72	3	us	we	PRON
american_scientific_journal-3619	72	4	to	to	PART
american_scientific_journal-3619	72	5	create	create	VERB
american_scientific_journal-3619	72	6	scatterplots	scatterplot	NOUN
american_scientific_journal-3619	72	7	and	and	CCONJ
american_scientific_journal-3619	72	8	overlay	overlay	NOUN
american_scientific_journal-3619	72	9	trend	trend	NOUN
american_scientific_journal-3619	72	10	line	line	NOUN
american_scientific_journal-3619	72	11	on	on	ADP
american_scientific_journal-3619	72	12	the	the	DET
american_scientific_journal-3619	72	13	chart	chart	NOUN
american_scientific_journal-3619	72	14	.	.	PUNCT
american_scientific_journal-3619	73	1	the	the	DET
american_scientific_journal-3619	73	2	results	result	NOUN
american_scientific_journal-3619	73	3	of	of	ADP
american_scientific_journal-3619	73	4	the	the	DET
american_scientific_journal-3619	73	5	trend	trend	NOUN
american_scientific_journal-3619	73	6	analysis	analysis	NOUN
american_scientific_journal-3619	73	7	outlining	outline	VERB
american_scientific_journal-3619	73	8	the	the	DET
american_scientific_journal-3619	73	9	equations	equation	NOUN
american_scientific_journal-3619	73	10	and	and	CCONJ
american_scientific_journal-3619	73	11	r2	r2	PROPN
american_scientific_journal-3619	73	12	value	value	NOUN
american_scientific_journal-3619	73	13	of	of	ADP
american_scientific_journal-3619	73	14	the	the	DET
american_scientific_journal-3619	73	15	five	five	NUM
american_scientific_journal-3619	73	16	models	model	NOUN
american_scientific_journal-3619	73	17	(	(	PUNCT
american_scientific_journal-3619	73	18	linear	linear	ADJ
american_scientific_journal-3619	73	19	,	,	PUNCT
american_scientific_journal-3619	73	20	logarithmic	logarithmic	ADJ
american_scientific_journal-3619	73	21	,	,	PUNCT
american_scientific_journal-3619	73	22	polynomial	polynomial	ADJ
american_scientific_journal-3619	73	23	,	,	PUNCT
american_scientific_journal-3619	73	24	power	power	NOUN
american_scientific_journal-3619	73	25	and	and	CCONJ
american_scientific_journal-3619	73	26	exponential	exponential	NOUN
american_scientific_journal-3619	73	27	)	)	PUNCT
american_scientific_journal-3619	73	28	are	be	AUX
american_scientific_journal-3619	73	29	presented	present	VERB
american_scientific_journal-3619	73	30	in	in	ADP
american_scientific_journal-3619	73	31	figure	figure	NOUN
american_scientific_journal-3619	73	32	(	(	PUNCT
american_scientific_journal-3619	73	33	3	3	NUM
american_scientific_journal-3619	73	34	)	)	PUNCT
american_scientific_journal-3619	73	35	.	.	PUNCT
american_scientific_journal-3619	74	1	these	these	DET
american_scientific_journal-3619	74	2	results	result	NOUN
american_scientific_journal-3619	74	3	allow	allow	VERB
american_scientific_journal-3619	74	4	us	we	PRON
american_scientific_journal-3619	74	5	to	to	PART
american_scientific_journal-3619	74	6	select	select	VERB
american_scientific_journal-3619	74	7	the	the	DET
american_scientific_journal-3619	74	8	relationship	relationship	NOUN
american_scientific_journal-3619	74	9	that	that	PRON
american_scientific_journal-3619	74	10	seems	seem	VERB
american_scientific_journal-3619	74	11	to	to	PART
american_scientific_journal-3619	74	12	“	"	PUNCT
american_scientific_journal-3619	74	13	fit	fit	VERB
american_scientific_journal-3619	74	14	”	"	PUNCT
american_scientific_journal-3619	74	15	(	(	PUNCT
american_scientific_journal-3619	74	16	best	good	ADJ
american_scientific_journal-3619	74	17	describe	describe	VERB
american_scientific_journal-3619	74	18	)	)	PUNCT
american_scientific_journal-3619	74	19	our	our	PRON
american_scientific_journal-3619	74	20	data	datum	NOUN
american_scientific_journal-3619	74	21	base	base	NOUN
american_scientific_journal-3619	74	22	on	on	ADP
american_scientific_journal-3619	74	23	the	the	DET
american_scientific_journal-3619	74	24	r2	r2	PROPN
american_scientific_journal-3619	74	25	value	value	NOUN
american_scientific_journal-3619	74	26	.	.	PUNCT
american_scientific_journal-3619	75	1	the	the	DET
american_scientific_journal-3619	75	2	closer	close	ADJ
american_scientific_journal-3619	75	3	to	to	ADP
american_scientific_journal-3619	75	4	1	1	NUM
american_scientific_journal-3619	75	5	,	,	PUNCT
american_scientific_journal-3619	75	6	the	the	PRON
american_scientific_journal-3619	75	7	better	well	ADJ
american_scientific_journal-3619	75	8	the	the	DET
american_scientific_journal-3619	75	9	line	line	NOUN
american_scientific_journal-3619	75	10	fits	fit	VERB
american_scientific_journal-3619	75	11	the	the	DET
american_scientific_journal-3619	75	12	data	datum	NOUN
american_scientific_journal-3619	75	13	.	.	PUNCT
american_scientific_journal-3619	76	1	the	the	DET
american_scientific_journal-3619	76	2	r2	r2	PROPN
american_scientific_journal-3619	76	3	also	also	ADV
american_scientific_journal-3619	76	4	permits	permit	VERB
american_scientific_journal-3619	76	5	us	we	PRON
american_scientific_journal-3619	76	6	to	to	PART
american_scientific_journal-3619	76	7	select	select	VERB
american_scientific_journal-3619	76	8	the	the	DET
american_scientific_journal-3619	76	9	best	good	ADJ
american_scientific_journal-3619	76	10	model	model	NOUN
american_scientific_journal-3619	76	11	for	for	ADP
american_scientific_journal-3619	76	12	our	our	PRON
american_scientific_journal-3619	76	13	predictions	prediction	NOUN
american_scientific_journal-3619	76	14	.	.	PUNCT
american_scientific_journal-3619	77	1	notice	notice	VERB
american_scientific_journal-3619	77	2	the	the	DET
american_scientific_journal-3619	77	3	shape	shape	NOUN
american_scientific_journal-3619	77	4	of	of	ADP
american_scientific_journal-3619	77	5	the	the	DET
american_scientific_journal-3619	77	6	graphs	graph	NOUN
american_scientific_journal-3619	77	7	.	.	PUNCT
american_scientific_journal-3619	78	1	the	the	DET
american_scientific_journal-3619	78	2	slope	slope	NOUN
american_scientific_journal-3619	78	3	of	of	ADP
american_scientific_journal-3619	78	4	the	the	DET
american_scientific_journal-3619	78	5	curve	curve	NOUN
american_scientific_journal-3619	78	6	increases	increase	NOUN
american_scientific_journal-3619	78	7	as	as	ADP
american_scientific_journal-3619	78	8	the	the	DET
american_scientific_journal-3619	78	9	number	number	NOUN
american_scientific_journal-3619	78	10	of	of	ADP
american_scientific_journal-3619	78	11	hours	hour	NOUN
american_scientific_journal-3619	78	12	of	of	ADP
american_scientific_journal-3619	78	13	use	use	NOUN
american_scientific_journal-3619	78	14	increases	increase	NOUN
american_scientific_journal-3619	78	15	.	.	PUNCT
american_scientific_journal-3619	79	1	this	this	PRON
american_scientific_journal-3619	79	2	indicates	indicate	VERB
american_scientific_journal-3619	79	3	that	that	SCONJ
american_scientific_journal-3619	79	4	repair	repair	NOUN
american_scientific_journal-3619	79	5	costs	cost	NOUN
american_scientific_journal-3619	79	6	are	be	AUX
american_scientific_journal-3619	79	7	low	low	ADJ
american_scientific_journal-3619	79	8	early	early	ADV
american_scientific_journal-3619	79	9	in	in	ADP
american_scientific_journal-3619	79	10	the	the	DET
american_scientific_journal-3619	79	11	life	life	NOUN
american_scientific_journal-3619	79	12	of	of	ADP
american_scientific_journal-3619	79	13	a	a	DET
american_scientific_journal-3619	79	14	machine	machine	NOUN
american_scientific_journal-3619	79	15	,	,	PUNCT
american_scientific_journal-3619	79	16	but	but	CCONJ
american_scientific_journal-3619	79	17	increase	increase	VERB
american_scientific_journal-3619	79	18	rapidly	rapidly	ADV
american_scientific_journal-3619	79	19	as	as	SCONJ
american_scientific_journal-3619	79	20	the	the	DET
american_scientific_journal-3619	79	21	machine	machine	NOUN
american_scientific_journal-3619	79	22	accumulates	accumulate	VERB
american_scientific_journal-3619	79	23	more	more	ADJ
american_scientific_journal-3619	79	24	hours	hour	NOUN
american_scientific_journal-3619	79	25	of	of	ADP
american_scientific_journal-3619	79	26	operation	operation	NOUN
american_scientific_journal-3619	79	27	.	.	PUNCT
american_scientific_journal-3619	80	1	figure	figure	VERB
american_scientific_journal-3619	80	2	3	3	NUM
american_scientific_journal-3619	80	3	:	:	PUNCT
american_scientific_journal-3619	80	4	comparison	comparison	NOUN
american_scientific_journal-3619	80	5	of	of	ADP
american_scientific_journal-3619	80	6	accumulated	accumulate	VERB
american_scientific_journal-3619	80	7	r&m	r&m	NOUN
american_scientific_journal-3619	80	8	costs	cost	NOUN
american_scientific_journal-3619	80	9	as	as	ADP
american_scientific_journal-3619	80	10	percent	percent	NOUN
american_scientific_journal-3619	80	11	of	of	ADP
american_scientific_journal-3619	80	12	list	list	NOUN
american_scientific_journal-3619	80	13	price	price	NOUN
american_scientific_journal-3619	80	14	based	base	VERB
american_scientific_journal-3619	80	15	on	on	ADP
american_scientific_journal-3619	80	16	accumulated	accumulate	VERB
american_scientific_journal-3619	80	17	working	work	VERB
american_scientific_journal-3619	80	18	hours	hour	NOUN
american_scientific_journal-3619	80	19	of	of	ADP
american_scientific_journal-3619	80	20	the	the	DET
american_scientific_journal-3619	80	21	jd-5503	jd-5503	ADJ
american_scientific_journal-3619	80	22	tractor	tractor	NOUN
american_scientific_journal-3619	80	23	using	use	VERB
american_scientific_journal-3619	80	24	excel	excel	NOUN
american_scientific_journal-3619	81	1	y	y	NOUN
american_scientific_journal-3619	81	2	=	=	SYM
american_scientific_journal-3619	81	3	3e-07x2	3e-07x2	NUM
american_scientific_journal-3619	81	4	0.0007x	0.0007x	NOUN
american_scientific_journal-3619	82	1	+	+	CCONJ
american_scientific_journal-3619	83	1	1.2898	1.2898	NUM
american_scientific_journal-3619	83	2	r²	r²	NOUN
american_scientific_journal-3619	83	3	=	=	NOUN
american_scientific_journal-3619	83	4	0.9945	0.9945	NUM
american_scientific_journal-3619	83	5	y	y	X
american_scientific_journal-3619	83	6	=	=	PUNCT
american_scientific_journal-3619	83	7	0.0025x	0.0025x	PROPN
american_scientific_journal-3619	84	1	5.2655	5.2655	NUM
american_scientific_journal-3619	84	2	r²	r²	NOUN
american_scientific_journal-3619	84	3	=	=	NOUN
american_scientific_journal-3619	84	4	0.9148	0.9148	NUM
american_scientific_journal-3619	84	5	y	y	NOUN
american_scientific_journal-3619	84	6	=	=	PUNCT
american_scientific_journal-3619	84	7	0.4818e0.0004x	0.4818e0.0004x	NUM
american_scientific_journal-3619	84	8	r²	r²	NOUN
american_scientific_journal-3619	84	9	=	=	SYM
american_scientific_journal-3619	84	10	0.9427	0.9427	NUM
american_scientific_journal-3619	84	11	y	y	NOUN
american_scientific_journal-3619	84	12	=	=	SYM
american_scientific_journal-3619	84	13	9.1463ln(x	9.1463ln(x	X
american_scientific_journal-3619	84	14	)	)	PUNCT
american_scientific_journal-3619	84	15	68.445	68.445	NUM
american_scientific_journal-3619	84	16	r²	r²	NOUN
american_scientific_journal-3619	84	17	=	=	NUM
american_scientific_journal-3619	84	18	0.6959	0.6959	NUM
american_scientific_journal-3619	84	19	y	y	NOUN
american_scientific_journal-3619	84	20	=	=	SYM
american_scientific_journal-3619	84	21	1e-06x1.7916	1e-06x1.7916	NUM
american_scientific_journal-3619	84	22	r²	r²	NOUN
american_scientific_journal-3619	84	23	=	=	SYM
american_scientific_journal-3619	84	24	0.9931	0.9931	NUM
american_scientific_journal-3619	84	25	-10.00	-10.00	NUM
american_scientific_journal-3619	84	26	-5.00	-5.00	NUM
american_scientific_journal-3619	84	27	0.00	0.00	NUM
american_scientific_journal-3619	84	28	5.00	5.00	NUM
american_scientific_journal-3619	84	29	10.00	10.00	NUM
american_scientific_journal-3619	84	30	15.00	15.00	NUM
american_scientific_journal-3619	84	31	20.00	20.00	NUM
american_scientific_journal-3619	84	32	25.00	25.00	NUM
american_scientific_journal-3619	84	33	30.00	30.00	NUM
american_scientific_journal-3619	84	34	35.00	35.00	NUM
american_scientific_journal-3619	84	35	0	0	NUM
american_scientific_journal-3619	84	36	2000	2000	NUM
american_scientific_journal-3619	84	37	4000	4000	NUM
american_scientific_journal-3619	84	38	6000	6000	NUM
american_scientific_journal-3619	84	39	8000	8000	NUM
american_scientific_journal-3619	84	40	10000	10000	NUM
american_scientific_journal-3619	84	41	12000	12000	NUM
american_scientific_journal-3619	84	42	ac	ac	PROPN
american_scientific_journal-3619	85	1	cu	cu	PROPN
american_scientific_journal-3619	85	2	m	m	PROPN
american_scientific_journal-3619	85	3	ul	ul	NOUN
american_scientific_journal-3619	85	4	at	at	ADP
american_scientific_journal-3619	85	5	ed	ed	PROPN
american_scientific_journal-3619	85	6	r	r	PROPN
american_scientific_journal-3619	85	7	&	&	CCONJ
american_scientific_journal-3619	85	8	m	m	PROPN
american_scientific_journal-3619	85	9	c	c	NOUN
american_scientific_journal-3619	85	10	os	os	NOUN
american_scientific_journal-3619	85	11	ts	ts	ADP
american_scientific_journal-3619	85	12	a	a	DET
american_scientific_journal-3619	85	13	s	s	X
american_scientific_journal-3619	85	14	p	p	X
american_scientific_journal-3619	85	15	er	er	INTJ
american_scientific_journal-3619	85	16	ce	ce	PROPN
american_scientific_journal-3619	85	17	nt	not	PART
american_scientific_journal-3619	85	18	ag	ag	PROPN
american_scientific_journal-3619	85	19	e	e	PROPN
american_scientific_journal-3619	85	20	of	of	ADP
american_scientific_journal-3619	85	21	li	li	PROPN
american_scientific_journal-3619	85	22	st	st	PROPN
american_scientific_journal-3619	86	1	p	p	PROPN
american_scientific_journal-3619	86	2	ur	ur	INTJ
american_scientific_journal-3619	86	3	ch	ch	NOUN
american_scientific_journal-3619	86	4	as	as	ADP
american_scientific_journal-3619	86	5	e	e	NOUN
american_scientific_journal-3619	86	6	pr	pr	NOUN
american_scientific_journal-3619	86	7	ic	ic	PROPN
american_scientific_journal-3619	86	8	e	e	X
american_scientific_journal-3619	86	9	(	(	PUNCT
american_scientific_journal-3619	86	10	%	%	INTJ
american_scientific_journal-3619	86	11	)	)	PUNCT
american_scientific_journal-3619	86	12	accumulated	accumulate	VERB
american_scientific_journal-3619	86	13	working	work	VERB
american_scientific_journal-3619	86	14	(	(	PUNCT
american_scientific_journal-3619	86	15	h	h	NOUN
american_scientific_journal-3619	86	16	)	)	PUNCT
american_scientific_journal-3619	86	17	accumulated	accumulate	VERB
american_scientific_journal-3619	86	18	r&m	r&m	NOUN
american_scientific_journal-3619	86	19	costs	cost	NOUN
american_scientific_journal-3619	86	20	as	as	ADP
american_scientific_journal-3619	86	21	percentage	percentage	NOUN
american_scientific_journal-3619	86	22	of	of	ADP
american_scientific_journal-3619	86	23	list	list	NOUN
american_scientific_journal-3619	86	24	purchase	purchase	NOUN
american_scientific_journal-3619	86	25	price	price	NOUN
american_scientific_journal-3619	86	26	(	(	PUNCT
american_scientific_journal-3619	86	27	%	%	INTJ
american_scientific_journal-3619	86	28	)	)	PUNCT
american_scientific_journal-3619	86	29	poly	poly	NOUN
american_scientific_journal-3619	86	30	.	.	PUNCT
american_scientific_journal-3619	87	1	(	(	PUNCT
american_scientific_journal-3619	87	2	accumulated	accumulate	VERB
american_scientific_journal-3619	87	3	r&m	r&m	NOUN
american_scientific_journal-3619	87	4	costs	cost	NOUN
american_scientific_journal-3619	87	5	as	as	ADP
american_scientific_journal-3619	87	6	percentage	percentage	NOUN
american_scientific_journal-3619	87	7	of	of	ADP
american_scientific_journal-3619	87	8	list	list	NOUN
american_scientific_journal-3619	87	9	purchase	purchase	NOUN
american_scientific_journal-3619	87	10	price	price	NOUN
american_scientific_journal-3619	87	11	(	(	PUNCT
american_scientific_journal-3619	87	12	%	%	NOUN
american_scientific_journal-3619	87	13	)	)	PUNCT
american_scientific_journal-3619	87	14	)	)	PUNCT
american_scientific_journal-3619	88	1	linear	linear	NOUN
american_scientific_journal-3619	88	2	(	(	PUNCT
american_scientific_journal-3619	88	3	accumulated	accumulate	VERB
american_scientific_journal-3619	88	4	r&m	r&m	NOUN
american_scientific_journal-3619	88	5	costs	cost	NOUN
american_scientific_journal-3619	88	6	as	as	ADP
american_scientific_journal-3619	88	7	percentage	percentage	NOUN
american_scientific_journal-3619	88	8	of	of	ADP
american_scientific_journal-3619	88	9	list	list	NOUN
american_scientific_journal-3619	88	10	purchase	purchase	NOUN
american_scientific_journal-3619	88	11	price	price	NOUN
american_scientific_journal-3619	88	12	(	(	PUNCT
american_scientific_journal-3619	88	13	%	%	NOUN
american_scientific_journal-3619	88	14	)	)	PUNCT
american_scientific_journal-3619	88	15	)	)	PUNCT
american_scientific_journal-3619	89	1	linear	linear	NOUN
american_scientific_journal-3619	89	2	(	(	PUNCT
american_scientific_journal-3619	89	3	accumulated	accumulate	VERB
american_scientific_journal-3619	89	4	r&m	r&m	NOUN
american_scientific_journal-3619	89	5	costs	cost	NOUN
american_scientific_journal-3619	89	6	as	as	ADP
american_scientific_journal-3619	89	7	percentage	percentage	NOUN
american_scientific_journal-3619	89	8	of	of	ADP
american_scientific_journal-3619	89	9	list	list	NOUN
american_scientific_journal-3619	89	10	purchase	purchase	NOUN
american_scientific_journal-3619	89	11	price	price	NOUN
american_scientific_journal-3619	89	12	(	(	PUNCT
american_scientific_journal-3619	89	13	%	%	NOUN
american_scientific_journal-3619	89	14	)	)	PUNCT
american_scientific_journal-3619	89	15	)	)	PUNCT
american_scientific_journal-3619	89	16	expon	expon	ADV
american_scientific_journal-3619	89	17	.	.	PUNCT
american_scientific_journal-3619	90	1	(	(	PUNCT
american_scientific_journal-3619	90	2	accumulated	accumulate	VERB
american_scientific_journal-3619	90	3	r&m	r&m	NOUN
american_scientific_journal-3619	90	4	costs	cost	NOUN
american_scientific_journal-3619	90	5	as	as	ADP
american_scientific_journal-3619	90	6	percentage	percentage	NOUN
american_scientific_journal-3619	90	7	of	of	ADP
american_scientific_journal-3619	90	8	list	list	NOUN
american_scientific_journal-3619	90	9	purchase	purchase	NOUN
american_scientific_journal-3619	90	10	price	price	NOUN
american_scientific_journal-3619	90	11	(	(	PUNCT
american_scientific_journal-3619	90	12	%	%	NOUN
american_scientific_journal-3619	90	13	)	)	PUNCT
american_scientific_journal-3619	90	14	)	)	PUNCT
american_scientific_journal-3619	90	15	log	log	NOUN
american_scientific_journal-3619	90	16	.	.	PUNCT
american_scientific_journal-3619	91	1	(	(	PUNCT
american_scientific_journal-3619	91	2	accumulated	accumulate	VERB
american_scientific_journal-3619	91	3	r&m	r&m	NOUN
american_scientific_journal-3619	91	4	costs	cost	NOUN
american_scientific_journal-3619	91	5	as	as	ADP
american_scientific_journal-3619	91	6	percentage	percentage	NOUN
american_scientific_journal-3619	91	7	of	of	ADP
american_scientific_journal-3619	91	8	list	list	NOUN
american_scientific_journal-3619	91	9	purchase	purchase	NOUN
american_scientific_journal-3619	91	10	price	price	NOUN
american_scientific_journal-3619	91	11	(	(	PUNCT
american_scientific_journal-3619	91	12	%	%	NOUN
american_scientific_journal-3619	91	13	)	)	PUNCT
american_scientific_journal-3619	91	14	)	)	PUNCT
american_scientific_journal-3619	92	1	power	power	NOUN
american_scientific_journal-3619	92	2	(	(	PUNCT
american_scientific_journal-3619	92	3	accumulated	accumulate	VERB
american_scientific_journal-3619	92	4	r&m	r&m	NOUN
american_scientific_journal-3619	92	5	costs	cost	NOUN
american_scientific_journal-3619	92	6	as	as	ADP
american_scientific_journal-3619	92	7	percentage	percentage	NOUN
american_scientific_journal-3619	92	8	of	of	ADP
american_scientific_journal-3619	92	9	list	list	NOUN
american_scientific_journal-3619	92	10	purchase	purchase	NOUN
american_scientific_journal-3619	92	11	price	price	NOUN
american_scientific_journal-3619	92	12	(	(	PUNCT
american_scientific_journal-3619	92	13	%	%	NOUN
american_scientific_journal-3619	92	14	)	)	PUNCT
american_scientific_journal-3619	92	15	)	)	PUNCT
american_scientific_journal-3619	92	16	american	american	PROPN
american_scientific_journal-3619	92	17	scientific	scientific	ADJ
american_scientific_journal-3619	92	18	research	research	NOUN
american_scientific_journal-3619	92	19	journal	journal	NOUN
american_scientific_journal-3619	92	20	for	for	ADP
american_scientific_journal-3619	92	21	engineering	engineering	NOUN
american_scientific_journal-3619	92	22	,	,	PUNCT
american_scientific_journal-3619	92	23	technology	technology	NOUN
american_scientific_journal-3619	92	24	,	,	PUNCT
american_scientific_journal-3619	92	25	and	and	CCONJ
american_scientific_journal-3619	92	26	sciences	science	NOUN
american_scientific_journal-3619	92	27	(	(	PUNCT
american_scientific_journal-3619	92	28	asrjets	asrjet	NOUN
american_scientific_journal-3619	92	29	)	)	PUNCT
american_scientific_journal-3619	92	30	(	(	PUNCT
american_scientific_journal-3619	92	31	2017	2017	NUM
american_scientific_journal-3619	92	32	)	)	PUNCT
american_scientific_journal-3619	92	33	volume	volume	NOUN
american_scientific_journal-3619	92	34	38	38	NUM
american_scientific_journal-3619	92	35	,	,	PUNCT
american_scientific_journal-3619	92	36	no	no	DET
american_scientific_journal-3619	92	37	2	2	NUM
american_scientific_journal-3619	92	38	,	,	PUNCT
american_scientific_journal-3619	92	39	pp	pp	ADV
american_scientific_journal-3619	92	40	214	214	NUM
american_scientific_journal-3619	92	41	-	-	SYM
american_scientific_journal-3619	92	42	225	225	NUM
american_scientific_journal-3619	92	43	221	221	NUM
american_scientific_journal-3619	92	44	3.3	3.3	NUM
american_scientific_journal-3619	92	45	.	.	PUNCT
american_scientific_journal-3619	93	1	results	result	NOUN
american_scientific_journal-3619	93	2	of	of	ADP
american_scientific_journal-3619	93	3	the	the	DET
american_scientific_journal-3619	93	4	regression	regression	NOUN
american_scientific_journal-3619	93	5	analysis	analysis	NOUN
american_scientific_journal-3619	93	6	using	use	VERB
american_scientific_journal-3619	93	7	spss	spss	PROPN
american_scientific_journal-3619	93	8	the	the	DET
american_scientific_journal-3619	93	9	relationship	relationship	NOUN
american_scientific_journal-3619	93	10	between	between	ADP
american_scientific_journal-3619	93	11	the	the	DET
american_scientific_journal-3619	93	12	accumulated	accumulate	VERB
american_scientific_journal-3619	93	13	repair	repair	NOUN
american_scientific_journal-3619	93	14	and	and	CCONJ
american_scientific_journal-3619	93	15	maintenance	maintenance	NOUN
american_scientific_journal-3619	93	16	cost	cost	NOUN
american_scientific_journal-3619	93	17	and	and	CCONJ
american_scientific_journal-3619	93	18	the	the	DET
american_scientific_journal-3619	93	19	accumulated	accumulate	VERB
american_scientific_journal-3619	93	20	working	work	VERB
american_scientific_journal-3619	93	21	hours	hour	NOUN
american_scientific_journal-3619	93	22	on	on	ADP
american_scientific_journal-3619	93	23	the	the	DET
american_scientific_journal-3619	93	24	mathematical	mathematical	ADJ
american_scientific_journal-3619	93	25	models	model	NOUN
american_scientific_journal-3619	93	26	is	be	AUX
american_scientific_journal-3619	93	27	shown	show	VERB
american_scientific_journal-3619	93	28	in	in	ADP
american_scientific_journal-3619	93	29	table	table	NOUN
american_scientific_journal-3619	93	30	(	(	PUNCT
american_scientific_journal-3619	93	31	2	2	NUM
american_scientific_journal-3619	93	32	)	)	PUNCT
american_scientific_journal-3619	93	33	.	.	PUNCT
american_scientific_journal-3619	94	1	it	it	PRON
american_scientific_journal-3619	94	2	illustrates	illustrate	VERB
american_scientific_journal-3619	94	3	the	the	DET
american_scientific_journal-3619	94	4	description	description	NOUN
american_scientific_journal-3619	94	5	,	,	PUNCT
american_scientific_journal-3619	94	6	coefficient	coefficient	NOUN
american_scientific_journal-3619	94	7	of	of	ADP
american_scientific_journal-3619	94	8	determination	determination	NOUN
american_scientific_journal-3619	94	9	(	(	PUNCT
american_scientific_journal-3619	94	10	r2	r2	PROPN
american_scientific_journal-3619	94	11	)	)	PUNCT
american_scientific_journal-3619	94	12	and	and	CCONJ
american_scientific_journal-3619	94	13	fisher	fisher	PROPN
american_scientific_journal-3619	94	14	(	(	PUNCT
american_scientific_journal-3619	94	15	f	f	X
american_scientific_journal-3619	94	16	)	)	PUNCT
american_scientific_journal-3619	94	17	test	test	NOUN
american_scientific_journal-3619	94	18	results	result	NOUN
american_scientific_journal-3619	94	19	of	of	ADP
american_scientific_journal-3619	94	20	the	the	DET
american_scientific_journal-3619	94	21	analysis	analysis	NOUN
american_scientific_journal-3619	94	22	obtained	obtain	VERB
american_scientific_journal-3619	94	23	for	for	ADP
american_scientific_journal-3619	94	24	the	the	DET
american_scientific_journal-3619	94	25	studied	study	VERB
american_scientific_journal-3619	94	26	tractors	tractor	NOUN
american_scientific_journal-3619	94	27	.	.	PUNCT
american_scientific_journal-3619	95	1	it	it	PRON
american_scientific_journal-3619	95	2	was	be	AUX
american_scientific_journal-3619	95	3	observed	observe	VERB
american_scientific_journal-3619	95	4	that	that	SCONJ
american_scientific_journal-3619	95	5	the	the	DET
american_scientific_journal-3619	95	6	highest	high	ADJ
american_scientific_journal-3619	95	7	value	value	NOUN
american_scientific_journal-3619	95	8	of	of	ADP
american_scientific_journal-3619	95	9	coefficient	coefficient	NOUN
american_scientific_journal-3619	95	10	of	of	ADP
american_scientific_journal-3619	95	11	correlation	correlation	NOUN
american_scientific_journal-3619	95	12	(	(	PUNCT
american_scientific_journal-3619	95	13	r2	r2	PROPN
american_scientific_journal-3619	95	14	)	)	PUNCT
american_scientific_journal-3619	95	15	amongst	amongst	ADP
american_scientific_journal-3619	95	16	the	the	DET
american_scientific_journal-3619	95	17	models	model	NOUN
american_scientific_journal-3619	95	18	were	be	AUX
american_scientific_journal-3619	95	19	found	find	VERB
american_scientific_journal-3619	95	20	on	on	ADP
american_scientific_journal-3619	95	21	polynomial	polynomial	ADJ
american_scientific_journal-3619	95	22	model	model	NOUN
american_scientific_journal-3619	95	23	(	(	PUNCT
american_scientific_journal-3619	95	24	r2	r2	PROPN
american_scientific_journal-3619	95	25	=	=	SYM
american_scientific_journal-3619	95	26	0.9945	0.9945	NUM
american_scientific_journal-3619	95	27	)	)	PUNCT
american_scientific_journal-3619	95	28	,	,	PUNCT
american_scientific_journal-3619	95	29	which	which	PRON
american_scientific_journal-3619	95	30	indicate	indicate	VERB
american_scientific_journal-3619	95	31	its	its	PRON
american_scientific_journal-3619	95	32	higher	high	ADJ
american_scientific_journal-3619	95	33	conformity	conformity	NOUN
american_scientific_journal-3619	95	34	with	with	ADP
american_scientific_journal-3619	95	35	the	the	DET
american_scientific_journal-3619	95	36	actual	actual	ADJ
american_scientific_journal-3619	95	37	data	data	NOUN
american_scientific_journal-3619	95	38	trend	trend	NOUN
american_scientific_journal-3619	95	39	in	in	ADP
american_scientific_journal-3619	95	40	comparison	comparison	NOUN
american_scientific_journal-3619	95	41	with	with	ADP
american_scientific_journal-3619	95	42	the	the	DET
american_scientific_journal-3619	95	43	other	other	ADJ
american_scientific_journal-3619	95	44	models	model	NOUN
american_scientific_journal-3619	95	45	(	(	PUNCT
american_scientific_journal-3619	95	46	linear	linear	ADJ
american_scientific_journal-3619	95	47	,	,	PUNCT
american_scientific_journal-3619	95	48	polynomial	polynomial	ADJ
american_scientific_journal-3619	95	49	logarithmic	logarithmic	NOUN
american_scientific_journal-3619	95	50	and	and	CCONJ
american_scientific_journal-3619	95	51	exponential	exponential	ADJ
american_scientific_journal-3619	95	52	)	)	PUNCT
american_scientific_journal-3619	95	53	.	.	PUNCT
american_scientific_journal-3619	96	1	these	these	DET
american_scientific_journal-3619	96	2	findings	finding	NOUN
american_scientific_journal-3619	96	3	are	be	AUX
american_scientific_journal-3619	96	4	in	in	ADP
american_scientific_journal-3619	96	5	agreement	agreement	NOUN
american_scientific_journal-3619	96	6	with	with	ADP
american_scientific_journal-3619	96	7	results	result	NOUN
american_scientific_journal-3619	96	8	obtain	obtain	VERB
american_scientific_journal-3619	96	9	by	by	ADP
american_scientific_journal-3619	96	10	[	[	X
american_scientific_journal-3619	96	11	9	9	NUM
american_scientific_journal-3619	96	12	]	]	PUNCT
american_scientific_journal-3619	96	13	and	and	CCONJ
american_scientific_journal-3619	96	14	[	[	X
american_scientific_journal-3619	96	15	10	10	NUM
american_scientific_journal-3619	96	16	]	]	PUNCT
american_scientific_journal-3619	96	17	with	with	ADP
american_scientific_journal-3619	96	18	r2	r2	PROPN
american_scientific_journal-3619	96	19	values	value	NOUN
american_scientific_journal-3619	96	20	of	of	ADP
american_scientific_journal-3619	96	21	(	(	PUNCT
american_scientific_journal-3619	96	22	0.996	0.996	NUM
american_scientific_journal-3619	96	23	)	)	PUNCT
american_scientific_journal-3619	96	24	&	&	CCONJ
american_scientific_journal-3619	96	25	(	(	PUNCT
american_scientific_journal-3619	96	26	0.998	0.998	NUM
american_scientific_journal-3619	96	27	)	)	PUNCT
american_scientific_journal-3619	96	28	respectively	respectively	ADV
american_scientific_journal-3619	96	29	.	.	PUNCT
american_scientific_journal-3619	97	1	table	table	NOUN
american_scientific_journal-3619	97	2	2	2	NUM
american_scientific_journal-3619	97	3	:	:	PUNCT
american_scientific_journal-3619	97	4	model	model	NOUN
american_scientific_journal-3619	97	5	summary	summary	NOUN
american_scientific_journal-3619	97	6	and	and	CCONJ
american_scientific_journal-3619	97	7	parameter	parameter	NOUN
american_scientific_journal-3619	97	8	estimates	estimate	NOUN
american_scientific_journal-3619	97	9	for	for	ADP
american_scientific_journal-3619	97	10	jd-5403	jd-5403	PROPN
american_scientific_journal-3619	97	11	model	model	PROPN
american_scientific_journal-3619	97	12	model	model	PROPN
american_scientific_journal-3619	97	13	summary	summary	PROPN
american_scientific_journal-3619	97	14	parameter	parameter	NOUN
american_scientific_journal-3619	97	15	estimate	estimate	NOUN
american_scientific_journal-3619	97	16	r2	r2	PROPN
american_scientific_journal-3619	97	17	f	f	PROPN
american_scientific_journal-3619	97	18	value	value	VERB
american_scientific_journal-3619	97	19	a	a	DET
american_scientific_journal-3619	97	20	b	b	NOUN
american_scientific_journal-3619	97	21	c	c	X
american_scientific_journal-3619	97	22	linear	linear	PROPN
american_scientific_journal-3619	97	23	0.9148	0.9148	NUM
american_scientific_journal-3619	97	24	4346.622	4346.622	NUM
american_scientific_journal-3619	97	25	-5.2655	-5.2655	NOUN
american_scientific_journal-3619	97	26	0.0025	0.0025	NUM
american_scientific_journal-3619	97	27	logarithmic	logarithmic	ADJ
american_scientific_journal-3619	97	28	0.6959	0.6959	NUM
american_scientific_journal-3619	97	29	45.646	45.646	NUM
american_scientific_journal-3619	97	30	-68.445	-68.445	NOUN
american_scientific_journal-3619	98	1	9.1463	9.1463	NUM
american_scientific_journal-3619	98	2	polynomial	polynomial	ADJ
american_scientific_journal-3619	98	3	0.9945	0.9945	NUM
american_scientific_journal-3619	98	4	3980.293	3980.293	NUM
american_scientific_journal-3619	98	5	1.2898	1.2898	NUM
american_scientific_journal-3619	98	6	-0.0007	-0.0007	NOUN
american_scientific_journal-3619	98	7	3e-07	3e-07	ADJ
american_scientific_journal-3619	98	8	power	power	NOUN
american_scientific_journal-3619	98	9	0.9931	0.9931	NUM
american_scientific_journal-3619	98	10	2100.673	2100.673	NUM
american_scientific_journal-3619	98	11	1e-06	1e-06	NUM
american_scientific_journal-3619	98	12	1.7916	1.7916	NUM
american_scientific_journal-3619	98	13	exponential	exponential	NOUN
american_scientific_journal-3619	98	14	0.9427	0.9427	NUM
american_scientific_journal-3619	98	15	71.898	71.898	NUM
american_scientific_journal-3619	98	16	0.4818	0.4818	NUM
american_scientific_journal-3619	98	17	0.0004	0.0004	NUM
american_scientific_journal-3619	98	18	3.4	3.4	NUM
american_scientific_journal-3619	98	19	.	.	PUNCT
american_scientific_journal-3619	99	1	determination	determination	NOUN
american_scientific_journal-3619	99	2	of	of	ADP
american_scientific_journal-3619	99	3	the	the	DET
american_scientific_journal-3619	99	4	final	final	ADJ
american_scientific_journal-3619	99	5	model	model	NOUN
american_scientific_journal-3619	99	6	for	for	ADP
american_scientific_journal-3619	99	7	prediction	prediction	NOUN
american_scientific_journal-3619	99	8	of	of	ADP
american_scientific_journal-3619	99	9	r&m	r&m	NOUN
american_scientific_journal-3619	99	10	cost	cost	NOUN
american_scientific_journal-3619	99	11	for	for	ADP
american_scientific_journal-3619	99	12	jd-5403	jd-5403	NOUN
american_scientific_journal-3619	99	13	tractor	tractor	NOUN
american_scientific_journal-3619	99	14	for	for	ADP
american_scientific_journal-3619	99	15	prediction	prediction	NOUN
american_scientific_journal-3619	99	16	of	of	ADP
american_scientific_journal-3619	99	17	accumulated	accumulate	VERB
american_scientific_journal-3619	99	18	r&m	r&m	NOUN
american_scientific_journal-3619	99	19	costs	cost	NOUN
american_scientific_journal-3619	99	20	in	in	ADP
american_scientific_journal-3619	99	21	the	the	DET
american_scientific_journal-3619	99	22	present	present	ADJ
american_scientific_journal-3619	99	23	study	study	NOUN
american_scientific_journal-3619	99	24	,	,	PUNCT
american_scientific_journal-3619	99	25	the	the	DET
american_scientific_journal-3619	99	26	polynomial	polynomial	ADJ
american_scientific_journal-3619	99	27	model	model	NOUN
american_scientific_journal-3619	99	28	as	as	ADP
american_scientific_journal-3619	99	29	in	in	ADP
american_scientific_journal-3619	99	30	equation	equation	NOUN
american_scientific_journal-3619	99	31	(	(	PUNCT
american_scientific_journal-3619	99	32	12	12	NUM
american_scientific_journal-3619	99	33	)	)	PUNCT
american_scientific_journal-3619	99	34	was	be	AUX
american_scientific_journal-3619	99	35	selected	select	VERB
american_scientific_journal-3619	99	36	as	as	ADP
american_scientific_journal-3619	99	37	the	the	DET
american_scientific_journal-3619	99	38	final	final	ADJ
american_scientific_journal-3619	99	39	model	model	NOUN
american_scientific_journal-3619	99	40	for	for	ADP
american_scientific_journal-3619	99	41	tractor	tractor	NOUN
american_scientific_journal-3619	99	42	jd-5403	jd-5403	NOUN
american_scientific_journal-3619	99	43	for	for	ADP
american_scientific_journal-3619	99	44	having	have	VERB
american_scientific_journal-3619	99	45	the	the	DET
american_scientific_journal-3619	99	46	highest	high	ADJ
american_scientific_journal-3619	99	47	correlation	correlation	NOUN
american_scientific_journal-3619	99	48	coefficients	coefficient	NOUN
american_scientific_journal-3619	99	49	and	and	CCONJ
american_scientific_journal-3619	99	50	conforming	conform	VERB
american_scientific_journal-3619	99	51	well	well	ADV
american_scientific_journal-3619	99	52	to	to	ADP
american_scientific_journal-3619	99	53	actual	actual	ADJ
american_scientific_journal-3619	99	54	data	datum	NOUN
american_scientific_journal-3619	99	55	trend	trend	NOUN
american_scientific_journal-3619	99	56	particularly	particularly	ADV
american_scientific_journal-3619	99	57	at	at	ADP
american_scientific_journal-3619	99	58	later	later	ADJ
american_scientific_journal-3619	99	59	life	life	NOUN
american_scientific_journal-3619	99	60	time	time	NOUN
american_scientific_journal-3619	99	61	of	of	ADP
american_scientific_journal-3619	99	62	tractor	tractor	NOUN
american_scientific_journal-3619	99	63	.	.	PUNCT
american_scientific_journal-3619	100	1	𝑌𝑌	𝑌𝑌	PROPN
american_scientific_journal-3619	100	2	=	=	SYM
american_scientific_journal-3619	100	3	0.003	0.003	NUM
american_scientific_journal-3619	100	4	�	�	PROPN
american_scientific_journal-3619	100	5	𝑋𝑋	𝑋𝑋	PROPN
american_scientific_journal-3619	100	6	100	100	NUM
american_scientific_journal-3619	100	7	�	�	PROPN
american_scientific_journal-3619	100	8	2	2	NUM
american_scientific_journal-3619	100	9	−	−	PROPN
american_scientific_journal-3619	100	10	0.07	0.07	NUM
american_scientific_journal-3619	100	11	�	�	PROPN
american_scientific_journal-3619	100	12	𝑋𝑋	𝑋𝑋	PROPN
american_scientific_journal-3619	100	13	100	100	NUM
american_scientific_journal-3619	100	14	�	�	PROPN
american_scientific_journal-3619	100	15	+	+	CCONJ
american_scientific_journal-3619	100	16	1.2898	1.2898	NUM
american_scientific_journal-3619	100	17	(	(	PUNCT
american_scientific_journal-3619	100	18	12	12	NUM
american_scientific_journal-3619	100	19	)	)	PUNCT
american_scientific_journal-3619	100	20	3.5	3.5	NUM
american_scientific_journal-3619	100	21	.	.	PUNCT
american_scientific_journal-3619	100	22	comparison	comparison	NOUN
american_scientific_journal-3619	100	23	of	of	ADP
american_scientific_journal-3619	100	24	actual	actual	ADJ
american_scientific_journal-3619	100	25	data	datum	NOUN
american_scientific_journal-3619	100	26	and	and	CCONJ
american_scientific_journal-3619	100	27	modelled	model	VERB
american_scientific_journal-3619	100	28	data	datum	NOUN
american_scientific_journal-3619	100	29	obtained	obtain	VERB
american_scientific_journal-3619	100	30	by	by	ADP
american_scientific_journal-3619	100	31	the	the	DET
american_scientific_journal-3619	100	32	predictive	predictive	ADJ
american_scientific_journal-3619	100	33	model	model	NOUN
american_scientific_journal-3619	100	34	figure	figure	NOUN
american_scientific_journal-3619	100	35	(	(	PUNCT
american_scientific_journal-3619	100	36	4	4	X
american_scientific_journal-3619	100	37	)	)	PUNCT
american_scientific_journal-3619	100	38	illustrate	illustrate	VERB
american_scientific_journal-3619	100	39	the	the	DET
american_scientific_journal-3619	100	40	comparison	comparison	NOUN
american_scientific_journal-3619	100	41	between	between	ADP
american_scientific_journal-3619	100	42	the	the	DET
american_scientific_journal-3619	100	43	actual	actual	ADJ
american_scientific_journal-3619	100	44	and	and	CCONJ
american_scientific_journal-3619	100	45	modelled	model	VERB
american_scientific_journal-3619	100	46	data	datum	NOUN
american_scientific_journal-3619	100	47	obtained	obtain	VERB
american_scientific_journal-3619	100	48	by	by	ADP
american_scientific_journal-3619	100	49	the	the	DET
american_scientific_journal-3619	100	50	final	final	ADJ
american_scientific_journal-3619	100	51	predictive	predictive	ADJ
american_scientific_journal-3619	100	52	model	model	NOUN
american_scientific_journal-3619	100	53	(	(	PUNCT
american_scientific_journal-3619	100	54	polynomial	polynomial	ADJ
american_scientific_journal-3619	100	55	)	)	PUNCT
american_scientific_journal-3619	100	56	for	for	ADP
american_scientific_journal-3619	100	57	jd-5403	jd-5403	PROPN
american_scientific_journal-3619	100	58	model	model	NOUN
american_scientific_journal-3619	100	59	tractor	tractor	NOUN
american_scientific_journal-3619	100	60	.	.	PUNCT
american_scientific_journal-3619	101	1	the	the	DET
american_scientific_journal-3619	101	2	figures	figure	NOUN
american_scientific_journal-3619	101	3	show	show	VERB
american_scientific_journal-3619	101	4	that	that	SCONJ
american_scientific_journal-3619	101	5	the	the	DET
american_scientific_journal-3619	101	6	actual	actual	ADJ
american_scientific_journal-3619	101	7	data	datum	NOUN
american_scientific_journal-3619	101	8	and	and	CCONJ
american_scientific_journal-3619	101	9	modelled	model	VERB
american_scientific_journal-3619	101	10	data	datum	NOUN
american_scientific_journal-3619	101	11	have	have	VERB
american_scientific_journal-3619	101	12	very	very	ADV
american_scientific_journal-3619	101	13	little	little	ADJ
american_scientific_journal-3619	101	14	differences	difference	NOUN
american_scientific_journal-3619	101	15	in	in	ADP
american_scientific_journal-3619	101	16	their	their	PRON
american_scientific_journal-3619	101	17	curve	curve	NOUN
american_scientific_journal-3619	101	18	.	.	PUNCT
american_scientific_journal-3619	102	1	it	it	PRON
american_scientific_journal-3619	102	2	can	can	AUX
american_scientific_journal-3619	102	3	be	be	AUX
american_scientific_journal-3619	102	4	seen	see	VERB
american_scientific_journal-3619	102	5	that	that	SCONJ
american_scientific_journal-3619	102	6	the	the	DET
american_scientific_journal-3619	102	7	rate	rate	NOUN
american_scientific_journal-3619	102	8	of	of	ADP
american_scientific_journal-3619	102	9	accumulated	accumulate	VERB
american_scientific_journal-3619	102	10	r&m	r&m	NOUN
american_scientific_journal-3619	102	11	costs	cost	NOUN
american_scientific_journal-3619	102	12	for	for	ADP
american_scientific_journal-3619	102	13	the	the	DET
american_scientific_journal-3619	102	14	tractors	tractor	NOUN
american_scientific_journal-3619	102	15	at	at	ADP
american_scientific_journal-3619	102	16	earlier	early	ADJ
american_scientific_journal-3619	102	17	life	life	NOUN
american_scientific_journal-3619	102	18	time	time	NOUN
american_scientific_journal-3619	102	19	of	of	ADP
american_scientific_journal-3619	102	20	them	they	PRON
american_scientific_journal-3619	102	21	was	be	AUX
american_scientific_journal-3619	102	22	low	low	ADJ
american_scientific_journal-3619	102	23	and	and	CCONJ
american_scientific_journal-3619	102	24	fairly	fairly	ADV
american_scientific_journal-3619	102	25	similar	similar	ADJ
american_scientific_journal-3619	102	26	.	.	PUNCT
american_scientific_journal-3619	103	1	however	however	ADV
american_scientific_journal-3619	103	2	,	,	PUNCT
american_scientific_journal-3619	103	3	trend	trend	NOUN
american_scientific_journal-3619	103	4	of	of	ADP
american_scientific_journal-3619	103	5	r&m	r&m	NOUN
american_scientific_journal-3619	103	6	costs	cost	NOUN
american_scientific_journal-3619	103	7	was	be	AUX
american_scientific_journal-3619	103	8	rapidly	rapidly	ADV
american_scientific_journal-3619	103	9	increasing	increase	VERB
american_scientific_journal-3619	103	10	thereafter	thereafter	ADV
american_scientific_journal-3619	103	11	.	.	PUNCT
american_scientific_journal-3619	104	1	differences	difference	NOUN
american_scientific_journal-3619	104	2	in	in	ADP
american_scientific_journal-3619	104	3	increasing	increase	VERB
american_scientific_journal-3619	104	4	rate	rate	NOUN
american_scientific_journal-3619	104	5	of	of	ADP
american_scientific_journal-3619	104	6	r&m	r&m	NOUN
american_scientific_journal-3619	104	7	costs	cost	NOUN
american_scientific_journal-3619	104	8	may	may	AUX
american_scientific_journal-3619	104	9	be	be	AUX
american_scientific_journal-3619	104	10	attributed	attribute	VERB
american_scientific_journal-3619	104	11	to	to	ADP
american_scientific_journal-3619	104	12	the	the	DET
american_scientific_journal-3619	104	13	facts	fact	NOUN
american_scientific_journal-3619	104	14	like	like	ADP
american_scientific_journal-3619	104	15	quality	quality	NOUN
american_scientific_journal-3619	104	16	in	in	ADP
american_scientific_journal-3619	104	17	design	design	NOUN
american_scientific_journal-3619	104	18	and	and	CCONJ
american_scientific_journal-3619	104	19	manufacturing	manufacturing	NOUN
american_scientific_journal-3619	104	20	,	,	PUNCT
american_scientific_journal-3619	104	21	inherent	inherent	ADJ
american_scientific_journal-3619	104	22	deficiencies	deficiency	NOUN
american_scientific_journal-3619	104	23	,	,	PUNCT
american_scientific_journal-3619	104	24	and	and	CCONJ
american_scientific_journal-3619	104	25	also	also	ADV
american_scientific_journal-3619	104	26	incompatible	incompatible	ADJ
american_scientific_journal-3619	104	27	field	field	NOUN
american_scientific_journal-3619	104	28	operations	operation	NOUN
american_scientific_journal-3619	104	29	to	to	ADP
american_scientific_journal-3619	104	30	their	their	PRON
american_scientific_journal-3619	104	31	power	power	NOUN
american_scientific_journal-3619	104	32	and	and	CCONJ
american_scientific_journal-3619	104	33	efficiencies	efficiency	NOUN
american_scientific_journal-3619	104	34	.	.	PUNCT
american_scientific_journal-3619	105	1	american	american	ADJ
american_scientific_journal-3619	105	2	scientific	scientific	ADJ
american_scientific_journal-3619	105	3	research	research	PROPN
american_scientific_journal-3619	105	4	journal	journal	NOUN
american_scientific_journal-3619	105	5	for	for	ADP
american_scientific_journal-3619	105	6	engineering	engineering	NOUN
american_scientific_journal-3619	105	7	,	,	PUNCT
american_scientific_journal-3619	105	8	technology	technology	NOUN
american_scientific_journal-3619	105	9	,	,	PUNCT
american_scientific_journal-3619	105	10	and	and	CCONJ
american_scientific_journal-3619	105	11	sciences	science	NOUN
american_scientific_journal-3619	105	12	(	(	PUNCT
american_scientific_journal-3619	105	13	asrjets	asrjet	NOUN
american_scientific_journal-3619	105	14	)	)	PUNCT
american_scientific_journal-3619	105	15	(	(	PUNCT
american_scientific_journal-3619	105	16	2017	2017	NUM
american_scientific_journal-3619	105	17	)	)	PUNCT
american_scientific_journal-3619	105	18	volume	volume	NOUN
american_scientific_journal-3619	105	19	38	38	NUM
american_scientific_journal-3619	105	20	,	,	PUNCT
american_scientific_journal-3619	105	21	no	no	DET
american_scientific_journal-3619	105	22	2	2	NUM
american_scientific_journal-3619	105	23	,	,	PUNCT
american_scientific_journal-3619	105	24	pp	pp	ADV
american_scientific_journal-3619	105	25	214	214	NUM
american_scientific_journal-3619	105	26	-	-	SYM
american_scientific_journal-3619	105	27	225	225	NUM
american_scientific_journal-3619	105	28	222	222	NUM
american_scientific_journal-3619	105	29	figure	figure	NOUN
american_scientific_journal-3619	105	30	4	4	NUM
american_scientific_journal-3619	105	31	:	:	PUNCT
american_scientific_journal-3619	105	32	comparison	comparison	NOUN
american_scientific_journal-3619	105	33	of	of	ADP
american_scientific_journal-3619	105	34	actual	actual	ADJ
american_scientific_journal-3619	105	35	data	datum	NOUN
american_scientific_journal-3619	105	36	and	and	CCONJ
american_scientific_journal-3619	105	37	modelled	model	VERB
american_scientific_journal-3619	105	38	data	datum	NOUN
american_scientific_journal-3619	105	39	using	use	VERB
american_scientific_journal-3619	105	40	polynomial	polynomial	ADJ
american_scientific_journal-3619	105	41	model	model	NOUN
american_scientific_journal-3619	105	42	3.6	3.6	NUM
american_scientific_journal-3619	105	43	.	.	PUNCT
american_scientific_journal-3619	105	44	percentage	percentage	NOUN
american_scientific_journal-3619	105	45	error	error	NOUN
american_scientific_journal-3619	105	46	determination	determination	NOUN
american_scientific_journal-3619	105	47	the	the	DET
american_scientific_journal-3619	105	48	magnitude	magnitude	NOUN
american_scientific_journal-3619	105	49	of	of	ADP
american_scientific_journal-3619	105	50	the	the	DET
american_scientific_journal-3619	105	51	errors	error	NOUN
american_scientific_journal-3619	105	52	in	in	ADP
american_scientific_journal-3619	105	53	terms	term	NOUN
american_scientific_journal-3619	105	54	of	of	ADP
american_scientific_journal-3619	105	55	percentage	percentage	NOUN
american_scientific_journal-3619	105	56	was	be	AUX
american_scientific_journal-3619	105	57	determined	determine	VERB
american_scientific_journal-3619	105	58	as	as	ADP
american_scientific_journal-3619	105	59	the	the	DET
american_scientific_journal-3619	105	60	difference	difference	NOUN
american_scientific_journal-3619	105	61	between	between	ADP
american_scientific_journal-3619	105	62	the	the	DET
american_scientific_journal-3619	105	63	actual	actual	ADJ
american_scientific_journal-3619	105	64	and	and	CCONJ
american_scientific_journal-3619	105	65	modelled	model	VERB
american_scientific_journal-3619	105	66	data	datum	NOUN
american_scientific_journal-3619	105	67	as	as	SCONJ
american_scientific_journal-3619	105	68	shown	show	VERB
american_scientific_journal-3619	105	69	in	in	ADP
american_scientific_journal-3619	105	70	figure	figure	NOUN
american_scientific_journal-3619	105	71	(	(	PUNCT
american_scientific_journal-3619	105	72	5	5	NUM
american_scientific_journal-3619	105	73	)	)	PUNCT
american_scientific_journal-3619	105	74	.	.	PUNCT
american_scientific_journal-3619	106	1	it	it	PRON
american_scientific_journal-3619	106	2	’s	’	VERB
american_scientific_journal-3619	106	3	worthy	worthy	ADJ
american_scientific_journal-3619	106	4	of	of	ADP
american_scientific_journal-3619	106	5	note	note	NOUN
american_scientific_journal-3619	106	6	that	that	SCONJ
american_scientific_journal-3619	106	7	graphs	graph	NOUN
american_scientific_journal-3619	106	8	produced	produce	VERB
american_scientific_journal-3619	106	9	from	from	ADP
american_scientific_journal-3619	106	10	these	these	DET
american_scientific_journal-3619	106	11	developed	develop	VERB
american_scientific_journal-3619	106	12	models	model	NOUN
american_scientific_journal-3619	106	13	,	,	PUNCT
american_scientific_journal-3619	106	14	are	be	AUX
american_scientific_journal-3619	106	15	seen	see	VERB
american_scientific_journal-3619	106	16	as	as	ADP
american_scientific_journal-3619	106	17	depicting	depict	VERB
american_scientific_journal-3619	106	18	the	the	DET
american_scientific_journal-3619	106	19	more	more	ADV
american_scientific_journal-3619	106	20	accurate	accurate	ADJ
american_scientific_journal-3619	106	21	accumulated	accumulate	VERB
american_scientific_journal-3619	106	22	repair	repair	NOUN
american_scientific_journal-3619	106	23	and	and	CCONJ
american_scientific_journal-3619	106	24	maintenance	maintenance	NOUN
american_scientific_journal-3619	106	25	cost	cost	NOUN
american_scientific_journal-3619	106	26	(	(	PUNCT
american_scientific_journal-3619	106	27	arm	arm	NOUN
american_scientific_journal-3619	106	28	)	)	PUNCT
american_scientific_journal-3619	106	29	and	and	CCONJ
american_scientific_journal-3619	106	30	accumulated	accumulate	VERB
american_scientific_journal-3619	106	31	working	work	VERB
american_scientific_journal-3619	106	32	hours	hour	NOUN
american_scientific_journal-3619	106	33	(	(	PUNCT
american_scientific_journal-3619	106	34	awh	awh	PROPN
american_scientific_journal-3619	106	35	)	)	PUNCT
american_scientific_journal-3619	106	36	for	for	ADP
american_scientific_journal-3619	106	37	the	the	DET
american_scientific_journal-3619	106	38	tractor	tractor	NOUN
american_scientific_journal-3619	106	39	models	model	NOUN
american_scientific_journal-3619	106	40	studied	study	VERB
american_scientific_journal-3619	106	41	,	,	PUNCT
american_scientific_journal-3619	106	42	when	when	SCONJ
american_scientific_journal-3619	106	43	compared	compare	VERB
american_scientific_journal-3619	106	44	with	with	ADP
american_scientific_journal-3619	106	45	that	that	PRON
american_scientific_journal-3619	106	46	obtained	obtain	VERB
american_scientific_journal-3619	106	47	from	from	ADP
american_scientific_journal-3619	106	48	the	the	DET
american_scientific_journal-3619	106	49	data	datum	NOUN
american_scientific_journal-3619	106	50	collected	collect	VERB
american_scientific_journal-3619	106	51	.	.	PUNCT
american_scientific_journal-3619	107	1	the	the	DET
american_scientific_journal-3619	107	2	little	little	ADJ
american_scientific_journal-3619	107	3	difference	difference	NOUN
american_scientific_journal-3619	107	4	as	as	SCONJ
american_scientific_journal-3619	107	5	noticed	notice	VERB
american_scientific_journal-3619	107	6	among	among	ADP
american_scientific_journal-3619	107	7	the	the	DET
american_scientific_journal-3619	107	8	two	two	NUM
american_scientific_journal-3619	107	9	is	be	AUX
american_scientific_journal-3619	107	10	likely	likely	ADJ
american_scientific_journal-3619	107	11	to	to	PART
american_scientific_journal-3619	107	12	be	be	AUX
american_scientific_journal-3619	107	13	as	as	ADP
american_scientific_journal-3619	107	14	a	a	DET
american_scientific_journal-3619	107	15	result	result	NOUN
american_scientific_journal-3619	107	16	of	of	ADP
american_scientific_journal-3619	107	17	errors	error	NOUN
american_scientific_journal-3619	107	18	inherent	inherent	ADJ
american_scientific_journal-3619	107	19	in	in	ADP
american_scientific_journal-3619	107	20	the	the	DET
american_scientific_journal-3619	107	21	documentation	documentation	NOUN
american_scientific_journal-3619	107	22	of	of	ADP
american_scientific_journal-3619	107	23	the	the	DET
american_scientific_journal-3619	107	24	data	datum	NOUN
american_scientific_journal-3619	107	25	ranging	range	VERB
american_scientific_journal-3619	107	26	from	from	ADP
american_scientific_journal-3619	107	27	input	input	NOUN
american_scientific_journal-3619	107	28	error	error	NOUN
american_scientific_journal-3619	107	29	,	,	PUNCT
american_scientific_journal-3619	107	30	biased	biased	ADJ
american_scientific_journal-3619	107	31	information	information	NOUN
american_scientific_journal-3619	107	32	,	,	PUNCT
american_scientific_journal-3619	107	33	etc	etc	X
american_scientific_journal-3619	107	34	.	.	X
american_scientific_journal-3619	107	35	figure	figure	VERB
american_scientific_journal-3619	107	36	5	5	NUM
american_scientific_journal-3619	107	37	:	:	PUNCT
american_scientific_journal-3619	107	38	percentage	percentage	NOUN
american_scientific_journal-3619	107	39	error	error	NOUN
american_scientific_journal-3619	107	40	determination	determination	NOUN
american_scientific_journal-3619	107	41	of	of	ADP
american_scientific_journal-3619	107	42	the	the	DET
american_scientific_journal-3619	107	43	actual	actual	ADJ
american_scientific_journal-3619	107	44	and	and	CCONJ
american_scientific_journal-3619	107	45	modelled	model	VERB
american_scientific_journal-3619	107	46	data	datum	NOUN
american_scientific_journal-3619	107	47	0.00	0.00	NUM
american_scientific_journal-3619	107	48	5.00	5.00	NUM
american_scientific_journal-3619	107	49	10.00	10.00	NUM
american_scientific_journal-3619	107	50	15.00	15.00	NUM
american_scientific_journal-3619	107	51	20.00	20.00	NUM
american_scientific_journal-3619	107	52	25.00	25.00	NUM
american_scientific_journal-3619	107	53	30.00	30.00	NUM
american_scientific_journal-3619	107	54	35.00	35.00	NUM
american_scientific_journal-3619	107	55	0	0	NUM
american_scientific_journal-3619	107	56	2000	2000	NUM
american_scientific_journal-3619	107	57	4000	4000	NUM
american_scientific_journal-3619	107	58	6000	6000	NUM
american_scientific_journal-3619	107	59	8000	8000	NUM
american_scientific_journal-3619	107	60	10000	10000	NUM
american_scientific_journal-3619	107	61	12000	12000	NUM
american_scientific_journal-3619	107	62	ac	ac	PROPN
american_scientific_journal-3619	108	1	cu	cu	PROPN
american_scientific_journal-3619	108	2	m	m	PROPN
american_scientific_journal-3619	108	3	ul	ul	NOUN
american_scientific_journal-3619	108	4	at	at	ADP
american_scientific_journal-3619	108	5	ed	ed	PROPN
american_scientific_journal-3619	108	6	r	r	PROPN
american_scientific_journal-3619	108	7	&	&	CCONJ
american_scientific_journal-3619	108	8	m	m	PROPN
american_scientific_journal-3619	108	9	c	c	NOUN
american_scientific_journal-3619	108	10	os	os	NOUN
american_scientific_journal-3619	108	11	ts	ts	ADP
american_scientific_journal-3619	108	12	a	a	DET
american_scientific_journal-3619	108	13	s	s	X
american_scientific_journal-3619	108	14	p	p	X
american_scientific_journal-3619	108	15	er	er	INTJ
american_scientific_journal-3619	108	16	ce	ce	PROPN
american_scientific_journal-3619	108	17	nt	not	PART
american_scientific_journal-3619	108	18	ag	ag	PROPN
american_scientific_journal-3619	108	19	e	e	PROPN
american_scientific_journal-3619	108	20	of	of	ADP
american_scientific_journal-3619	108	21	li	li	PROPN
american_scientific_journal-3619	108	22	st	st	PROPN
american_scientific_journal-3619	108	23	pu	pu	PROPN
american_scientific_journal-3619	108	24	rc	rc	PROPN
american_scientific_journal-3619	108	25	ha	ha	INTJ
american_scientific_journal-3619	108	26	se	se	PROPN
american_scientific_journal-3619	109	1	p	p	PROPN
american_scientific_journal-3619	109	2	ric	ric	PROPN
american_scientific_journal-3619	109	3	e	e	PROPN
american_scientific_journal-3619	109	4	(	(	PUNCT
american_scientific_journal-3619	109	5	%	%	INTJ
american_scientific_journal-3619	109	6	)	)	PUNCT
american_scientific_journal-3619	109	7	accumulated	accumulate	VERB
american_scientific_journal-3619	109	8	working	work	VERB
american_scientific_journal-3619	109	9	hours	hour	NOUN
american_scientific_journal-3619	109	10	(	(	PUNCT
american_scientific_journal-3619	109	11	h	h	NOUN
american_scientific_journal-3619	109	12	)	)	PUNCT
american_scientific_journal-3619	109	13	graph	graph	NOUN
american_scientific_journal-3619	109	14	of	of	ADP
american_scientific_journal-3619	109	15	actual	actual	ADJ
american_scientific_journal-3619	109	16	and	and	CCONJ
american_scientific_journal-3619	109	17	estimated	estimated	ADJ
american_scientific_journal-3619	109	18	data	datum	NOUN
american_scientific_journal-3619	109	19	for	for	ADP
american_scientific_journal-3619	109	20	jd-5403	jd-5403	PROPN
american_scientific_journal-3619	109	21	polynomial	polynomial	PROPN
american_scientific_journal-3619	109	22	model	model	PROPN
american_scientific_journal-3619	109	23	actual	actual	ADJ
american_scientific_journal-3619	109	24	r&m	r&m	PROPN
american_scientific_journal-3619	109	25	cost	cost	NOUN
american_scientific_journal-3619	109	26	estimated	estimate	VERB
american_scientific_journal-3619	109	27	r&m	r&m	NOUN
american_scientific_journal-3619	109	28	cost	cost	NOUN
american_scientific_journal-3619	109	29	0.00	0.00	NUM
american_scientific_journal-3619	109	30	2.00	2.00	NUM
american_scientific_journal-3619	109	31	4.00	4.00	NUM
american_scientific_journal-3619	109	32	6.00	6.00	NUM
american_scientific_journal-3619	109	33	8.00	8.00	NUM
american_scientific_journal-3619	109	34	10.00	10.00	NUM
american_scientific_journal-3619	109	35	12.00	12.00	NUM
american_scientific_journal-3619	109	36	-5.00	-5.00	NUM
american_scientific_journal-3619	109	37	0.00	0.00	NUM
american_scientific_journal-3619	109	38	5.00	5.00	NUM
american_scientific_journal-3619	109	39	10.00	10.00	NUM
american_scientific_journal-3619	109	40	15.00	15.00	NUM
american_scientific_journal-3619	109	41	20.00	20.00	NUM
american_scientific_journal-3619	109	42	25.00	25.00	NUM
american_scientific_journal-3619	109	43	30.00	30.00	NUM
american_scientific_journal-3619	109	44	35.00	35.00	NUM
american_scientific_journal-3619	109	45	40.00	40.00	NUM
american_scientific_journal-3619	110	1	er	er	INTJ
american_scientific_journal-3619	111	1	ro	ro	X
american_scientific_journal-3619	112	1	r	r	NOUN
american_scientific_journal-3619	112	2	(	(	PUNCT
american_scientific_journal-3619	112	3	e	e	NOUN
american_scientific_journal-3619	112	4	m	m	VERB
american_scientific_journal-3619	112	5	)	)	PUNCT
american_scientific_journal-3619	112	6	predicted	predict	VERB
american_scientific_journal-3619	112	7	r&m	r&m	NOUN
american_scientific_journal-3619	112	8	cost	cost	NOUN
american_scientific_journal-3619	112	9	as	as	ADP
american_scientific_journal-3619	112	10	a	a	DET
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american_scientific_journal-3619	112	12	of	of	ADP
american_scientific_journal-3619	112	13	list	list	NOUN
american_scientific_journal-3619	112	14	purchase	purchase	NOUN
american_scientific_journal-3619	112	15	price	price	NOUN
american_scientific_journal-3619	112	16	(	(	PUNCT
american_scientific_journal-3619	112	17	%	%	INTJ
american_scientific_journal-3619	112	18	)	)	PUNCT
american_scientific_journal-3619	112	19	percentage	percentage	NOUN
american_scientific_journal-3619	112	20	error	error	NOUN
american_scientific_journal-3619	112	21	determination	determination	NOUN
american_scientific_journal-3619	112	22	jd-5403	jd-5403	VERB
american_scientific_journal-3619	112	23	american	american	PROPN
american_scientific_journal-3619	112	24	scientific	scientific	PROPN
american_scientific_journal-3619	112	25	research	research	PROPN
american_scientific_journal-3619	112	26	journal	journal	NOUN
american_scientific_journal-3619	112	27	for	for	ADP
american_scientific_journal-3619	112	28	engineering	engineering	NOUN
american_scientific_journal-3619	112	29	,	,	PUNCT
american_scientific_journal-3619	112	30	technology	technology	NOUN
american_scientific_journal-3619	112	31	,	,	PUNCT
american_scientific_journal-3619	112	32	and	and	CCONJ
american_scientific_journal-3619	112	33	sciences	science	NOUN
american_scientific_journal-3619	112	34	(	(	PUNCT
american_scientific_journal-3619	112	35	asrjets	asrjet	NOUN
american_scientific_journal-3619	112	36	)	)	PUNCT
american_scientific_journal-3619	112	37	(	(	PUNCT
american_scientific_journal-3619	112	38	2017	2017	NUM
american_scientific_journal-3619	112	39	)	)	PUNCT
american_scientific_journal-3619	112	40	volume	volume	NOUN
american_scientific_journal-3619	112	41	38	38	NUM
american_scientific_journal-3619	112	42	,	,	PUNCT
american_scientific_journal-3619	112	43	no	no	DET
american_scientific_journal-3619	112	44	2	2	NUM
american_scientific_journal-3619	112	45	,	,	PUNCT
american_scientific_journal-3619	112	46	pp	pp	ADV
american_scientific_journal-3619	112	47	214	214	NUM
american_scientific_journal-3619	112	48	-	-	SYM
american_scientific_journal-3619	112	49	225	225	NUM
american_scientific_journal-3619	112	50	223	223	NUM
american_scientific_journal-3619	112	51	3.7	3.7	NUM
american_scientific_journal-3619	112	52	.	.	PUNCT
american_scientific_journal-3619	113	1	comparison	comparison	NOUN
american_scientific_journal-3619	113	2	of	of	ADP
american_scientific_journal-3619	113	3	models	model	NOUN
american_scientific_journal-3619	113	4	developed	develop	VERB
american_scientific_journal-3619	113	5	by	by	ADP
american_scientific_journal-3619	113	6	different	different	ADJ
american_scientific_journal-3619	113	7	researchers	researcher	NOUN
american_scientific_journal-3619	113	8	in	in	ADP
american_scientific_journal-3619	113	9	predicting	predict	VERB
american_scientific_journal-3619	113	10	r&m	r&m	NOUN
american_scientific_journal-3619	113	11	costs	cost	VERB
american_scientific_journal-3619	113	12	the	the	DET
american_scientific_journal-3619	113	13	comparison	comparison	NOUN
american_scientific_journal-3619	113	14	of	of	ADP
american_scientific_journal-3619	113	15	models	model	NOUN
american_scientific_journal-3619	113	16	developed	develop	VERB
american_scientific_journal-3619	113	17	by	by	ADP
american_scientific_journal-3619	113	18	different	different	ADJ
american_scientific_journal-3619	113	19	researchers	researcher	NOUN
american_scientific_journal-3619	113	20	in	in	ADP
american_scientific_journal-3619	113	21	predicting	predict	VERB
american_scientific_journal-3619	113	22	the	the	DET
american_scientific_journal-3619	113	23	accumulated	accumulate	VERB
american_scientific_journal-3619	113	24	repair	repair	NOUN
american_scientific_journal-3619	113	25	and	and	CCONJ
american_scientific_journal-3619	113	26	maintenance	maintenance	NOUN
american_scientific_journal-3619	113	27	costs	cost	NOUN
american_scientific_journal-3619	113	28	are	be	AUX
american_scientific_journal-3619	113	29	presented	present	VERB
american_scientific_journal-3619	113	30	in	in	ADP
american_scientific_journal-3619	113	31	table	table	NOUN
american_scientific_journal-3619	113	32	(	(	PUNCT
american_scientific_journal-3619	113	33	3	3	NUM
american_scientific_journal-3619	113	34	)	)	PUNCT
american_scientific_journal-3619	113	35	.	.	PUNCT
american_scientific_journal-3619	114	1	it	it	PRON
american_scientific_journal-3619	114	2	was	be	AUX
american_scientific_journal-3619	114	3	observed	observe	VERB
american_scientific_journal-3619	114	4	that	that	SCONJ
american_scientific_journal-3619	114	5	most	most	ADJ
american_scientific_journal-3619	114	6	of	of	ADP
american_scientific_journal-3619	114	7	these	these	DET
american_scientific_journal-3619	114	8	models	model	NOUN
american_scientific_journal-3619	114	9	developed	develop	VERB
american_scientific_journal-3619	114	10	gave	give	VERB
american_scientific_journal-3619	114	11	a	a	DET
american_scientific_journal-3619	114	12	similar	similar	ADJ
american_scientific_journal-3619	114	13	r2	r2	NOUN
american_scientific_journal-3619	114	14	values	value	NOUN
american_scientific_journal-3619	114	15	when	when	SCONJ
american_scientific_journal-3619	114	16	compared	compare	VERB
american_scientific_journal-3619	114	17	with	with	ADP
american_scientific_journal-3619	114	18	the	the	DET
american_scientific_journal-3619	114	19	model	model	NOUN
american_scientific_journal-3619	114	20	developed	develop	VERB
american_scientific_journal-3619	114	21	in	in	ADP
american_scientific_journal-3619	114	22	the	the	DET
american_scientific_journal-3619	114	23	present	present	ADJ
american_scientific_journal-3619	114	24	study	study	NOUN
american_scientific_journal-3619	114	25	.	.	PUNCT
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american_scientific_journal-3619	115	2	in	in	ADP
american_scientific_journal-3619	115	3	terms	term	NOUN
american_scientific_journal-3619	115	4	of	of	ADP
american_scientific_journal-3619	115	5	the	the	DET
american_scientific_journal-3619	115	6	model	model	NOUN
american_scientific_journal-3619	115	7	developed	develop	VERB
american_scientific_journal-3619	115	8	,	,	PUNCT
american_scientific_journal-3619	115	9	it	it	PRON
american_scientific_journal-3619	115	10	was	be	AUX
american_scientific_journal-3619	115	11	observed	observe	VERB
american_scientific_journal-3619	115	12	that	that	SCONJ
american_scientific_journal-3619	115	13	the	the	DET
american_scientific_journal-3619	115	14	model	model	NOUN
american_scientific_journal-3619	115	15	developed	develop	VERB
american_scientific_journal-3619	115	16	in	in	ADP
american_scientific_journal-3619	115	17	this	this	DET
american_scientific_journal-3619	115	18	study	study	NOUN
american_scientific_journal-3619	115	19	has	have	VERB
american_scientific_journal-3619	115	20	similar	similar	ADJ
american_scientific_journal-3619	115	21	structure	structure	NOUN
american_scientific_journal-3619	115	22	and	and	CCONJ
american_scientific_journal-3619	115	23	characteristics	characteristic	NOUN
american_scientific_journal-3619	115	24	as	as	ADP
american_scientific_journal-3619	115	25	the	the	DET
american_scientific_journal-3619	115	26	model	model	NOUN
american_scientific_journal-3619	115	27	obtained	obtain	VERB
american_scientific_journal-3619	115	28	by	by	ADP
american_scientific_journal-3619	115	29	[	[	X
american_scientific_journal-3619	115	30	9	9	NUM
american_scientific_journal-3619	115	31	]	]	PUNCT
american_scientific_journal-3619	115	32	.	.	PUNCT
american_scientific_journal-3619	116	1	table	table	NOUN
american_scientific_journal-3619	116	2	3	3	NUM
american_scientific_journal-3619	116	3	:	:	PUNCT
american_scientific_journal-3619	116	4	models	model	NOUN
american_scientific_journal-3619	116	5	developed	develop	VERB
american_scientific_journal-3619	116	6	by	by	ADP
american_scientific_journal-3619	116	7	different	different	ADJ
american_scientific_journal-3619	116	8	researchers	researcher	NOUN
american_scientific_journal-3619	116	9	and	and	CCONJ
american_scientific_journal-3619	116	10	for	for	ADP
american_scientific_journal-3619	116	11	present	present	ADJ
american_scientific_journal-3619	116	12	study	study	NOUN
american_scientific_journal-3619	116	13	models	model	NOUN
american_scientific_journal-3619	116	14	developed	develop	VERB
american_scientific_journal-3619	116	15	by	by	ADP
american_scientific_journal-3619	116	16	different	different	ADJ
american_scientific_journal-3619	116	17	researchers	researcher	NOUN
american_scientific_journal-3619	116	18	r2	r2	PROPN
american_scientific_journal-3619	116	19	source	source	NOUN
american_scientific_journal-3619	116	20	𝑌𝑌	𝑌𝑌	PROPN
american_scientific_journal-3619	116	21	=	=	SYM
american_scientific_journal-3619	116	22	1.2	1.2	NUM
american_scientific_journal-3619	116	23	�	�	PROPN
american_scientific_journal-3619	116	24	𝑋𝑋	𝑋𝑋	PROPN
american_scientific_journal-3619	116	25	1000	1000	NUM
american_scientific_journal-3619	116	26	�	�	NOUN
american_scientific_journal-3619	116	27	2	2	NUM
american_scientific_journal-3619	116	28	0.890	0.890	NUM
american_scientific_journal-3619	116	29	asae	asae	NOUN
american_scientific_journal-3619	116	30	(	(	PUNCT
american_scientific_journal-3619	116	31	1983	1983	NUM
american_scientific_journal-3619	116	32	)	)	PUNCT
american_scientific_journal-3619	117	1	𝑌𝑌	𝑌𝑌	PROPN
american_scientific_journal-3619	117	2	=	=	SYM
american_scientific_journal-3619	117	3	0.042	0.042	NUM
american_scientific_journal-3619	117	4	�	�	PROPN
american_scientific_journal-3619	117	5	𝑋𝑋	𝑋𝑋	PROPN
american_scientific_journal-3619	117	6	100	100	NUM
american_scientific_journal-3619	117	7	�	�	PROPN
american_scientific_journal-3619	117	8	1.796	1.796	NUM
american_scientific_journal-3619	117	9	0.986	0.986	NUM
american_scientific_journal-3619	117	10	r.	r.	PROPN
american_scientific_journal-3619	117	11	majid	majid	PROPN
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american_scientific_journal-3619	117	14	)	)	PUNCT
american_scientific_journal-3619	117	15	𝑌𝑌	𝑌𝑌	PROPN
american_scientific_journal-3619	117	16	=	=	SYM
american_scientific_journal-3619	117	17	0.002	0.002	NUM
american_scientific_journal-3619	117	18	(	(	PUNCT
american_scientific_journal-3619	117	19	𝑋𝑋	𝑋𝑋	PROPN
american_scientific_journal-3619	117	20	100	100	NUM
american_scientific_journal-3619	117	21	)	)	SYM
american_scientific_journal-3619	117	22	2	2	NUM
american_scientific_journal-3619	117	23	−	−	NUM
american_scientific_journal-3619	117	24	0.109	0.109	NUM
american_scientific_journal-3619	117	25	�	�	PROPN
american_scientific_journal-3619	117	26	𝑋𝑋	𝑋𝑋	PROPN
american_scientific_journal-3619	117	27	100	100	NUM
american_scientific_journal-3619	117	28	�	�	PROPN
american_scientific_journal-3619	117	29	+	+	CCONJ
american_scientific_journal-3619	117	30	2.877	2.877	NUM
american_scientific_journal-3619	117	31	0.996	0.996	NUM
american_scientific_journal-3619	117	32	𝑌𝑌	𝑌𝑌	PROPN
american_scientific_journal-3619	117	33	=	=	SYM
american_scientific_journal-3619	117	34	0.072	0.072	NUM
american_scientific_journal-3619	117	35	�	�	PROPN
american_scientific_journal-3619	117	36	𝑋𝑋	𝑋𝑋	PROPN
american_scientific_journal-3619	117	37	120	120	NUM
american_scientific_journal-3619	117	38	�	�	PROPN
american_scientific_journal-3619	117	39	1.6	1.6	NUM
american_scientific_journal-3619	117	40	0.920	0.920	NUM
american_scientific_journal-3619	117	41	bowers	bower	NOUN
american_scientific_journal-3619	117	42	and	and	CCONJ
american_scientific_journal-3619	117	43	hunt	hunt	NOUN
american_scientific_journal-3619	117	44	(	(	PUNCT
american_scientific_journal-3619	117	45	1970	1970	NUM
american_scientific_journal-3619	117	46	)	)	PUNCT
american_scientific_journal-3619	117	47	𝑌𝑌	𝑌𝑌	PROPN
american_scientific_journal-3619	117	48	=	=	SYM
american_scientific_journal-3619	117	49	0.005𝑋𝑋1.2	0.005𝑋𝑋1.2	VERB
american_scientific_journal-3619	117	50	0.977	0.977	NUM
american_scientific_journal-3619	117	51	abubakar	abubakar	PROPN
american_scientific_journal-3619	117	52	and	and	CCONJ
american_scientific_journal-3619	117	53	his	his	PRON
american_scientific_journal-3619	117	54	colleagues	colleague	NOUN
american_scientific_journal-3619	117	55	(	(	PUNCT
american_scientific_journal-3619	117	56	2013	2013	NUM
american_scientific_journal-3619	117	57	)	)	PUNCT
american_scientific_journal-3619	118	1	[	[	X
american_scientific_journal-3619	118	2	11	11	NUM
american_scientific_journal-3619	118	3	]	]	X
american_scientific_journal-3619	118	4	𝑌𝑌	𝑌𝑌	PROPN
american_scientific_journal-3619	118	5	=	=	SYM
american_scientific_journal-3619	118	6	0.003	0.003	NUM
american_scientific_journal-3619	118	7	�	�	PROPN
american_scientific_journal-3619	118	8	𝑋𝑋	𝑋𝑋	PROPN
american_scientific_journal-3619	118	9	100	100	NUM
american_scientific_journal-3619	118	10	�	�	PROPN
american_scientific_journal-3619	118	11	2	2	NUM
american_scientific_journal-3619	118	12	−	−	PROPN
american_scientific_journal-3619	118	13	0.07	0.07	NUM
american_scientific_journal-3619	118	14	�	�	PROPN
american_scientific_journal-3619	118	15	𝑋𝑋	𝑋𝑋	PROPN
american_scientific_journal-3619	118	16	100	100	NUM
american_scientific_journal-3619	118	17	�	�	PROPN
american_scientific_journal-3619	118	18	+	+	CCONJ
american_scientific_journal-3619	118	19	1.2898	1.2898	NUM
american_scientific_journal-3619	118	20	0.995	0.995	NUM
american_scientific_journal-3619	118	21	for	for	ADP
american_scientific_journal-3619	118	22	the	the	DET
american_scientific_journal-3619	118	23	present	present	ADJ
american_scientific_journal-3619	118	24	work	work	NOUN
american_scientific_journal-3619	118	25	(	(	PUNCT
american_scientific_journal-3619	118	26	jd-5403	jd-5403	NOUN
american_scientific_journal-3619	118	27	tractor	tractor	NOUN
american_scientific_journal-3619	118	28	)	)	PUNCT
american_scientific_journal-3619	118	29	3.8	3.8	NUM
american_scientific_journal-3619	118	30	.	.	PUNCT
american_scientific_journal-3619	119	1	discussion	discussion	NOUN
american_scientific_journal-3619	119	2	the	the	DET
american_scientific_journal-3619	119	3	r&m	r&m	PROPN
american_scientific_journal-3619	119	4	costs	cost	VERB
american_scientific_journal-3619	119	5	prediction	prediction	NOUN
american_scientific_journal-3619	119	6	models	model	NOUN
american_scientific_journal-3619	119	7	and	and	CCONJ
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american_scientific_journal-3619	119	22	performance	performance	NOUN
american_scientific_journal-3619	119	23	and	and	CCONJ
american_scientific_journal-3619	119	24	time	time	NOUN
american_scientific_journal-3619	119	25	spans	span	NOUN
american_scientific_journal-3619	119	26	,	,	PUNCT
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american_scientific_journal-3619	119	28	and	and	CCONJ
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american_scientific_journal-3619	119	30	of	of	ADP
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american_scientific_journal-3619	119	32	under	under	ADP
american_scientific_journal-3619	119	33	study	study	NOUN
american_scientific_journal-3619	119	34	,	,	PUNCT
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american_scientific_journal-3619	119	36	of	of	ADP
american_scientific_journal-3619	119	37	operation	operation	NOUN
american_scientific_journal-3619	119	38	and	and	CCONJ
american_scientific_journal-3619	119	39	working	working	NOUN
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american_scientific_journal-3619	119	41	,	,	PUNCT
american_scientific_journal-3619	119	42	repair	repair	NOUN
american_scientific_journal-3619	119	43	and	and	CCONJ
american_scientific_journal-3619	119	44	maintenance	maintenance	NOUN
american_scientific_journal-3619	119	45	management	management	NOUN
american_scientific_journal-3619	119	46	,	,	PUNCT
american_scientific_journal-3619	119	47	quality	quality	NOUN
american_scientific_journal-3619	119	48	of	of	ADP
american_scientific_journal-3619	119	49	materials	material	NOUN
american_scientific_journal-3619	119	50	used	use	VERB
american_scientific_journal-3619	119	51	,	,	PUNCT
american_scientific_journal-3619	119	52	weather	weather	NOUN
american_scientific_journal-3619	119	53	conditions	condition	NOUN
american_scientific_journal-3619	119	54	and	and	CCONJ
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american_scientific_journal-3619	119	56	of	of	ADP
american_scientific_journal-3619	119	57	operator	operator	NOUN
american_scientific_journal-3619	119	58	.	.	PUNCT
american_scientific_journal-3619	120	1	results	result	NOUN
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american_scientific_journal-3619	120	3	this	this	DET
american_scientific_journal-3619	120	4	study	study	NOUN
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american_scientific_journal-3619	120	9	costs	cost	NOUN
american_scientific_journal-3619	120	10	per	per	ADP
american_scientific_journal-3619	120	11	hour	hour	NOUN
american_scientific_journal-3619	120	12	increased	increase	VERB
american_scientific_journal-3619	120	13	with	with	ADP
american_scientific_journal-3619	120	14	machine	machine	NOUN
american_scientific_journal-3619	120	15	age	age	NOUN
american_scientific_journal-3619	120	16	.	.	PUNCT
american_scientific_journal-3619	121	1	this	this	PRON
american_scientific_journal-3619	121	2	resulted	result	VERB
american_scientific_journal-3619	121	3	in	in	ADP
american_scientific_journal-3619	121	4	a	a	DET
american_scientific_journal-3619	121	5	marginally	marginally	ADV
american_scientific_journal-3619	121	6	increased	increase	VERB
american_scientific_journal-3619	121	7	total	total	ADJ
american_scientific_journal-3619	121	8	repair	repair	NOUN
american_scientific_journal-3619	121	9	cost	cost	NOUN
american_scientific_journal-3619	121	10	curve	curve	NOUN
american_scientific_journal-3619	121	11	.	.	PUNCT
american_scientific_journal-3619	122	1	these	these	DET
american_scientific_journal-3619	122	2	results	result	NOUN
american_scientific_journal-3619	122	3	also	also	ADV
american_scientific_journal-3619	122	4	confirmed	confirm	VERB
american_scientific_journal-3619	122	5	that	that	SCONJ
american_scientific_journal-3619	122	6	the	the	DET
american_scientific_journal-3619	122	7	model	model	NOUN
american_scientific_journal-3619	122	8	developed	develop	VERB
american_scientific_journal-3619	122	9	for	for	ADP
american_scientific_journal-3619	122	10	the	the	DET
american_scientific_journal-3619	122	11	studied	study	VERB
american_scientific_journal-3619	122	12	tractors	tractor	NOUN
american_scientific_journal-3619	122	13	(	(	PUNCT
american_scientific_journal-3619	122	14	jd-5403	jd-5403	PROPN
american_scientific_journal-3619	122	15	)	)	PUNCT
american_scientific_journal-3619	122	16	has	have	VERB
american_scientific_journal-3619	122	17	the	the	DET
american_scientific_journal-3619	122	18	tractor	tractor	NOUN
american_scientific_journal-3619	122	19	accumulated	accumulate	VERB
american_scientific_journal-3619	122	20	operating	operating	NOUN
american_scientific_journal-3619	122	21	hours	hour	NOUN
american_scientific_journal-3619	122	22	as	as	ADP
american_scientific_journal-3619	122	23	the	the	DET
american_scientific_journal-3619	122	24	major	major	ADJ
american_scientific_journal-3619	122	25	determining	determine	VERB
american_scientific_journal-3619	122	26	factor	factor	NOUN
american_scientific_journal-3619	122	27	of	of	ADP
american_scientific_journal-3619	122	28	the	the	DET
american_scientific_journal-3619	122	29	repair	repair	NOUN
american_scientific_journal-3619	122	30	and	and	CCONJ
american_scientific_journal-3619	122	31	maintenance	maintenance	NOUN
american_scientific_journal-3619	122	32	costs	cost	NOUN
american_scientific_journal-3619	122	33	.	.	PUNCT
american_scientific_journal-3619	123	1	in	in	ADP
american_scientific_journal-3619	123	2	summary	summary	NOUN
american_scientific_journal-3619	123	3	,	,	PUNCT
american_scientific_journal-3619	123	4	the	the	DET
american_scientific_journal-3619	123	5	results	result	NOUN
american_scientific_journal-3619	123	6	of	of	ADP
american_scientific_journal-3619	123	7	this	this	DET
american_scientific_journal-3619	123	8	finding	finding	NOUN
american_scientific_journal-3619	123	9	will	will	AUX
american_scientific_journal-3619	123	10	be	be	AUX
american_scientific_journal-3619	123	11	very	very	ADV
american_scientific_journal-3619	123	12	useful	useful	ADJ
american_scientific_journal-3619	123	13	in	in	ADP
american_scientific_journal-3619	123	14	farm	farm	NOUN
american_scientific_journal-3619	123	15	machinery	machinery	NOUN
american_scientific_journal-3619	123	16	management	management	NOUN
american_scientific_journal-3619	123	17	with	with	ADP
american_scientific_journal-3619	123	18	regards	regard	NOUN
american_scientific_journal-3619	123	19	to	to	ADP
american_scientific_journal-3619	123	20	prediction	prediction	NOUN
american_scientific_journal-3619	123	21	of	of	ADP
american_scientific_journal-3619	123	22	r&m	r&m	NOUN
american_scientific_journal-3619	123	23	costs	cost	NOUN
american_scientific_journal-3619	123	24	of	of	ADP
american_scientific_journal-3619	123	25	agricultural	agricultural	ADJ
american_scientific_journal-3619	123	26	tractors	tractor	NOUN
american_scientific_journal-3619	123	27	in	in	ADP
american_scientific_journal-3619	123	28	the	the	DET
american_scientific_journal-3619	123	29	gambia	gambia	NOUN
american_scientific_journal-3619	123	30	.	.	PUNCT
american_scientific_journal-3619	124	1	it	it	PRON
american_scientific_journal-3619	124	2	would	would	AUX
american_scientific_journal-3619	124	3	provide	provide	VERB
american_scientific_journal-3619	124	4	policy	policy	NOUN
american_scientific_journal-3619	124	5	makers	maker	NOUN
american_scientific_journal-3619	124	6	,	,	PUNCT
american_scientific_journal-3619	124	7	farm	farm	NOUN
american_scientific_journal-3619	124	8	managers	manager	NOUN
american_scientific_journal-3619	124	9	and	and	CCONJ
american_scientific_journal-3619	124	10	other	other	ADJ
american_scientific_journal-3619	124	11	agencies	agency	NOUN
american_scientific_journal-3619	124	12	for	for	ADP
american_scientific_journal-3619	124	13	future	future	ADJ
american_scientific_journal-3619	124	14	planning	planning	NOUN
american_scientific_journal-3619	124	15	in	in	ADP
american_scientific_journal-3619	124	16	the	the	DET
american_scientific_journal-3619	124	17	provision	provision	NOUN
american_scientific_journal-3619	124	18	of	of	ADP
american_scientific_journal-3619	124	19	tractor	tractor	NOUN
american_scientific_journal-3619	124	20	services	service	NOUN
american_scientific_journal-3619	124	21	to	to	ADP
american_scientific_journal-3619	124	22	the	the	DET
american_scientific_journal-3619	124	23	farmers	farmer	NOUN
american_scientific_journal-3619	124	24	at	at	ADP
american_scientific_journal-3619	124	25	relatively	relatively	ADV
american_scientific_journal-3619	124	26	lower	low	ADJ
american_scientific_journal-3619	124	27	repair	repair	NOUN
american_scientific_journal-3619	124	28	and	and	CCONJ
american_scientific_journal-3619	124	29	maintenance	maintenance	NOUN
american_scientific_journal-3619	124	30	cost	cost	NOUN
american_scientific_journal-3619	124	31	.	.	PUNCT
american_scientific_journal-3619	125	1	american	american	ADJ
american_scientific_journal-3619	125	2	scientific	scientific	ADJ
american_scientific_journal-3619	125	3	research	research	PROPN
american_scientific_journal-3619	125	4	journal	journal	NOUN
american_scientific_journal-3619	125	5	for	for	ADP
american_scientific_journal-3619	125	6	engineering	engineering	NOUN
american_scientific_journal-3619	125	7	,	,	PUNCT
american_scientific_journal-3619	125	8	technology	technology	NOUN
american_scientific_journal-3619	125	9	,	,	PUNCT
american_scientific_journal-3619	125	10	and	and	CCONJ
american_scientific_journal-3619	125	11	sciences	science	NOUN
american_scientific_journal-3619	125	12	(	(	PUNCT
american_scientific_journal-3619	125	13	asrjets	asrjet	NOUN
american_scientific_journal-3619	125	14	)	)	PUNCT
american_scientific_journal-3619	125	15	(	(	PUNCT
american_scientific_journal-3619	125	16	2017	2017	NUM
american_scientific_journal-3619	125	17	)	)	PUNCT
american_scientific_journal-3619	125	18	volume	volume	NOUN
american_scientific_journal-3619	125	19	38	38	NUM
american_scientific_journal-3619	125	20	,	,	PUNCT
american_scientific_journal-3619	125	21	no	no	DET
american_scientific_journal-3619	125	22	2	2	NUM
american_scientific_journal-3619	125	23	,	,	PUNCT
american_scientific_journal-3619	125	24	pp	pp	ADV
american_scientific_journal-3619	125	25	214	214	NUM
american_scientific_journal-3619	125	26	-	-	SYM
american_scientific_journal-3619	125	27	225	225	NUM
american_scientific_journal-3619	125	28	224	224	NUM
american_scientific_journal-3619	125	29	4	4	NUM
american_scientific_journal-3619	125	30	.	.	PUNCT
american_scientific_journal-3619	126	1	conclusions	conclusion	NOUN
american_scientific_journal-3619	126	2	the	the	DET
american_scientific_journal-3619	126	3	following	follow	VERB
american_scientific_journal-3619	126	4	conclusions	conclusion	NOUN
american_scientific_journal-3619	126	5	were	be	AUX
american_scientific_journal-3619	126	6	drawn	draw	VERB
american_scientific_journal-3619	126	7	from	from	ADP
american_scientific_journal-3619	126	8	this	this	DET
american_scientific_journal-3619	126	9	study	study	NOUN
american_scientific_journal-3619	126	10	:	:	PUNCT
american_scientific_journal-3619	126	11	it	it	PRON
american_scientific_journal-3619	126	12	was	be	AUX
american_scientific_journal-3619	126	13	established	establish	VERB
american_scientific_journal-3619	126	14	that	that	SCONJ
american_scientific_journal-3619	126	15	repair	repair	NOUN
american_scientific_journal-3619	126	16	and	and	CCONJ
american_scientific_journal-3619	126	17	maintenance	maintenance	NOUN
american_scientific_journal-3619	126	18	cost	cost	NOUN
american_scientific_journal-3619	126	19	increased	increase	VERB
american_scientific_journal-3619	126	20	with	with	ADP
american_scientific_journal-3619	126	21	an	an	DET
american_scientific_journal-3619	126	22	increase	increase	NOUN
american_scientific_journal-3619	126	23	in	in	ADP
american_scientific_journal-3619	126	24	working	work	VERB
american_scientific_journal-3619	126	25	hours	hour	NOUN
american_scientific_journal-3619	126	26	of	of	ADP
american_scientific_journal-3619	126	27	jd-5403	jd-5403	PROPN
american_scientific_journal-3619	126	28	tractor	tractor	NOUN
american_scientific_journal-3619	126	29	.	.	PUNCT
american_scientific_journal-3619	127	1	the	the	DET
american_scientific_journal-3619	127	2	model	model	NOUN
american_scientific_journal-3619	127	3	developed	develop	VERB
american_scientific_journal-3619	127	4	has	have	VERB
american_scientific_journal-3619	127	5	the	the	DET
american_scientific_journal-3619	127	6	tractor	tractor	NOUN
american_scientific_journal-3619	127	7	accumulated	accumulate	VERB
american_scientific_journal-3619	127	8	operating	operating	NOUN
american_scientific_journal-3619	127	9	hours	hour	NOUN
american_scientific_journal-3619	127	10	as	as	ADP
american_scientific_journal-3619	127	11	the	the	DET
american_scientific_journal-3619	127	12	major	major	ADJ
american_scientific_journal-3619	127	13	determining	determine	VERB
american_scientific_journal-3619	127	14	factor	factor	NOUN
american_scientific_journal-3619	127	15	of	of	ADP
american_scientific_journal-3619	127	16	the	the	DET
american_scientific_journal-3619	127	17	repair	repair	NOUN
american_scientific_journal-3619	127	18	and	and	CCONJ
american_scientific_journal-3619	127	19	maintenance	maintenance	NOUN
american_scientific_journal-3619	127	20	costs	cost	NOUN
american_scientific_journal-3619	127	21	.	.	PUNCT
american_scientific_journal-3619	128	1	repair	repair	NOUN
american_scientific_journal-3619	128	2	and	and	CCONJ
american_scientific_journal-3619	128	3	maintenance	maintenance	NOUN
american_scientific_journal-3619	128	4	cost	cost	NOUN
american_scientific_journal-3619	128	5	of	of	ADP
american_scientific_journal-3619	128	6	the	the	DET
american_scientific_journal-3619	128	7	jd-5403	jd-5403	NOUN
american_scientific_journal-3619	128	8	tractor	tractor	NOUN
american_scientific_journal-3619	128	9	as	as	ADP
american_scientific_journal-3619	128	10	a	a	DET
american_scientific_journal-3619	128	11	percentage	percentage	NOUN
american_scientific_journal-3619	128	12	of	of	ADP
american_scientific_journal-3619	128	13	initial	initial	ADJ
american_scientific_journal-3619	128	14	purchase	purchase	NOUN
american_scientific_journal-3619	128	15	price	price	NOUN
american_scientific_journal-3619	128	16	(	(	PUNCT
american_scientific_journal-3619	128	17	%	%	INTJ
american_scientific_journal-3619	128	18	)	)	PUNCT
american_scientific_journal-3619	128	19	in	in	ADP
american_scientific_journal-3619	128	20	the	the	DET
american_scientific_journal-3619	128	21	gambia	gambia	NOUN
american_scientific_journal-3619	128	22	can	can	AUX
american_scientific_journal-3619	128	23	be	be	AUX
american_scientific_journal-3619	128	24	accurately	accurately	ADV
american_scientific_journal-3619	128	25	predicted	predict	VERB
american_scientific_journal-3619	128	26	using	use	VERB
american_scientific_journal-3619	128	27	the	the	DET
american_scientific_journal-3619	128	28	following	following	ADJ
american_scientific_journal-3619	128	29	mathematical	mathematical	ADJ
american_scientific_journal-3619	128	30	model	model	NOUN
american_scientific_journal-3619	128	31	:	:	PUNCT
american_scientific_journal-3619	128	32	𝑌𝑌	𝑌𝑌	PROPN
american_scientific_journal-3619	128	33	=	=	SYM
american_scientific_journal-3619	128	34	0.003	0.003	NUM
american_scientific_journal-3619	128	35	�	�	PROPN
american_scientific_journal-3619	128	36	𝑋𝑋	𝑋𝑋	PROPN
american_scientific_journal-3619	128	37	100	100	NUM
american_scientific_journal-3619	128	38	�	�	PROPN
american_scientific_journal-3619	128	39	2	2	NUM
american_scientific_journal-3619	128	40	−	−	PROPN
american_scientific_journal-3619	128	41	0.07	0.07	NUM
american_scientific_journal-3619	128	42	�	�	PROPN
american_scientific_journal-3619	128	43	𝑋𝑋	𝑋𝑋	PROPN
american_scientific_journal-3619	128	44	100	100	NUM
american_scientific_journal-3619	128	45	�	�	PROPN
american_scientific_journal-3619	128	46	+	+	CCONJ
american_scientific_journal-3619	128	47	1.2898	1.2898	NUM
american_scientific_journal-3619	128	48	5	5	NUM
american_scientific_journal-3619	128	49	.	.	PUNCT
american_scientific_journal-3619	129	1	recommendations	recommendation	NOUN
american_scientific_journal-3619	129	2	it	it	PRON
american_scientific_journal-3619	129	3	is	be	AUX
american_scientific_journal-3619	129	4	recommended	recommend	VERB
american_scientific_journal-3619	129	5	to	to	PART
american_scientific_journal-3619	129	6	carry	carry	VERB
american_scientific_journal-3619	129	7	out	out	ADP
american_scientific_journal-3619	129	8	a	a	DET
american_scientific_journal-3619	129	9	comparative	comparative	ADJ
american_scientific_journal-3619	129	10	study	study	NOUN
american_scientific_journal-3619	129	11	of	of	ADP
american_scientific_journal-3619	129	12	the	the	DET
american_scientific_journal-3619	129	13	john	john	PROPN
american_scientific_journal-3619	129	14	deere	deere	PROPN
american_scientific_journal-3619	129	15	tractor	tractor	PROPN
american_scientific_journal-3619	129	16	and	and	CCONJ
american_scientific_journal-3619	129	17	other	other	ADJ
american_scientific_journal-3619	129	18	models	model	NOUN
american_scientific_journal-3619	129	19	of	of	ADP
american_scientific_journal-3619	129	20	tractors	tractor	NOUN
american_scientific_journal-3619	129	21	(	(	PUNCT
american_scientific_journal-3619	129	22	massey	massey	PROPN
american_scientific_journal-3619	129	23	ferguson	ferguson	PROPN
american_scientific_journal-3619	129	24	,	,	PUNCT
american_scientific_journal-3619	129	25	new	new	PROPN
american_scientific_journal-3619	129	26	holland	holland	PROPN
american_scientific_journal-3619	129	27	,	,	PUNCT
american_scientific_journal-3619	129	28	mahindra	mahindra	PROPN
american_scientific_journal-3619	129	29	)	)	PUNCT
american_scientific_journal-3619	129	30	present	present	NOUN
american_scientific_journal-3619	129	31	in	in	ADP
american_scientific_journal-3619	129	32	the	the	DET
american_scientific_journal-3619	129	33	gambia	gambia	NOUN
american_scientific_journal-3619	129	34	in	in	ADP
american_scientific_journal-3619	129	35	order	order	NOUN
american_scientific_journal-3619	129	36	to	to	PART
american_scientific_journal-3619	129	37	develop	develop	VERB
american_scientific_journal-3619	129	38	a	a	DET
american_scientific_journal-3619	129	39	standard	standard	ADJ
american_scientific_journal-3619	129	40	cost	cost	NOUN
american_scientific_journal-3619	129	41	model	model	NOUN
american_scientific_journal-3619	129	42	to	to	PART
american_scientific_journal-3619	129	43	predict	predict	VERB
american_scientific_journal-3619	129	44	the	the	DET
american_scientific_journal-3619	129	45	repair	repair	NOUN
american_scientific_journal-3619	129	46	&	&	CCONJ
american_scientific_journal-3619	129	47	maintenance	maintenance	NOUN
american_scientific_journal-3619	129	48	cost	cost	NOUN
american_scientific_journal-3619	129	49	.	.	PUNCT
american_scientific_journal-3619	130	1	references	reference	NOUN
american_scientific_journal-3619	130	2	[	[	X
american_scientific_journal-3619	130	3	1	1	NUM
american_scientific_journal-3619	130	4	]	]	PUNCT
american_scientific_journal-3619	130	5	e.	e.	PROPN
american_scientific_journal-3619	130	6	william	william	PROPN
american_scientific_journal-3619	130	7	,	,	PUNCT
american_scientific_journal-3619	130	8	"	"	PUNCT
american_scientific_journal-3619	130	9	estimating	estimate	VERB
american_scientific_journal-3619	130	10	farm	farm	NOUN
american_scientific_journal-3619	130	11	machinery	machinery	NOUN
american_scientific_journal-3619	130	12	costs	cost	NOUN
american_scientific_journal-3619	130	13	,	,	PUNCT
american_scientific_journal-3619	130	14	"	"	PUNCT
american_scientific_journal-3619	130	15	iowa	iowa	PROPN
american_scientific_journal-3619	130	16	state	state	PROPN
american_scientific_journal-3619	130	17	university	university	NOUN
american_scientific_journal-3619	130	18	extension	extension	NOUN
american_scientific_journal-3619	130	19	and	and	CCONJ
american_scientific_journal-3619	130	20	outreach	outreach	NOUN
american_scientific_journal-3619	130	21	,	,	PUNCT
american_scientific_journal-3619	130	22	iowa	iowa	PROPN
american_scientific_journal-3619	130	23	,	,	PUNCT
american_scientific_journal-3619	130	24	2015	2015	NUM
american_scientific_journal-3619	130	25	.	.	PUNCT
american_scientific_journal-3619	131	1	[	[	X
american_scientific_journal-3619	131	2	2	2	NUM
american_scientific_journal-3619	131	3	]	]	PUNCT
american_scientific_journal-3619	131	4	a.	a.	NOUN
american_scientific_journal-3619	131	5	nyockeh	nyockeh	PROPN
american_scientific_journal-3619	131	6	,	,	PUNCT
american_scientific_journal-3619	131	7	"	"	PUNCT
american_scientific_journal-3619	131	8	training	train	VERB
american_scientific_journal-3619	131	9	for	for	ADP
american_scientific_journal-3619	131	10	50	50	NUM
american_scientific_journal-3619	131	11	farmers	farmer	NOUN
american_scientific_journal-3619	131	12	on	on	ADP
american_scientific_journal-3619	131	13	tractor	tractor	NOUN
american_scientific_journal-3619	131	14	operating	operate	VERB
american_scientific_journal-3619	131	15	underway	underway	NOUN
american_scientific_journal-3619	131	16	,	,	PUNCT
american_scientific_journal-3619	131	17	"	"	PUNCT
american_scientific_journal-3619	131	18	the	the	DET
american_scientific_journal-3619	131	19	point	point	NOUN
american_scientific_journal-3619	131	20	newspaper	newspaper	NOUN
american_scientific_journal-3619	131	21	,	,	PUNCT
american_scientific_journal-3619	131	22	the	the	DET
american_scientific_journal-3619	131	23	gambia	gambia	PROPN
american_scientific_journal-3619	131	24	,	,	PUNCT
american_scientific_journal-3619	131	25	thursday	thursday	PROPN
american_scientific_journal-3619	131	26	august	august	PROPN
american_scientific_journal-3619	131	27	2012	2012	NUM
american_scientific_journal-3619	131	28	.	.	PUNCT
american_scientific_journal-3619	132	1	[	[	X
american_scientific_journal-3619	132	2	3	3	X
american_scientific_journal-3619	132	3	]	]	X
american_scientific_journal-3619	133	1	p.	p.	NOUN
american_scientific_journal-3619	133	2	t.	t.	PROPN
american_scientific_journal-3619	133	3	jammeh	jammeh	PROPN
american_scientific_journal-3619	133	4	and	and	CCONJ
american_scientific_journal-3619	133	5	m.	m.	NOUN
american_scientific_journal-3619	133	6	minteh	minteh	PROPN
american_scientific_journal-3619	133	7	,	,	PUNCT
american_scientific_journal-3619	133	8	"	"	PUNCT
american_scientific_journal-3619	133	9	reports	report	NOUN
american_scientific_journal-3619	133	10	of	of	ADP
american_scientific_journal-3619	133	11	the	the	DET
american_scientific_journal-3619	133	12	3rd	3rd	ADJ
american_scientific_journal-3619	133	13	nation	nation	NOUN
american_scientific_journal-3619	133	14	-	-	PUNCT
american_scientific_journal-3619	133	15	wide	wide	ADJ
american_scientific_journal-3619	133	16	maintenance	maintenance	NOUN
american_scientific_journal-3619	133	17	activity	activity	NOUN
american_scientific_journal-3619	133	18	,	,	PUNCT
american_scientific_journal-3619	133	19	"	"	PUNCT
american_scientific_journal-3619	133	20	agric	agric	ADJ
american_scientific_journal-3619	133	21	engineering	engineering	NOUN
american_scientific_journal-3619	133	22	service	service	NOUN
american_scientific_journal-3619	133	23	unit	unit	NOUN
american_scientific_journal-3619	133	24	,	,	PUNCT
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american_scientific_journal-3619	133	26	,	,	PUNCT
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american_scientific_journal-3619	133	28	.	.	PUNCT
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american_scientific_journal-3619	134	3	]	]	X
american_scientific_journal-3619	134	4	g.	g.	PROPN
american_scientific_journal-3619	134	5	khoub	khoub	PROPN
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american_scientific_journal-3619	134	7	,	,	PUNCT
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american_scientific_journal-3619	134	26	:	:	PUNCT
american_scientific_journal-3619	134	27	a	a	DET
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american_scientific_journal-3619	135	5	4	4	NUM
american_scientific_journal-3619	135	6	,	,	PUNCT
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american_scientific_journal-3619	136	6	,	,	PUNCT
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american_scientific_journal-3619	136	19	4	4	NUM
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american_scientific_journal-3619	136	35	4	4	NUM
american_scientific_journal-3619	136	36	,	,	PUNCT
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american_scientific_journal-3619	137	2	-	-	SYM
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american_scientific_journal-3619	137	4	,	,	PUNCT
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american_scientific_journal-3619	138	10	:	:	PUNCT
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american_scientific_journal-3619	138	22	-	-	PUNCT
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american_scientific_journal-3619	138	31	.	.	PUNCT
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american_scientific_journal-3619	141	2	-	-	SYM
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american_scientific_journal-3619	141	4	,	,	PUNCT
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american_scientific_journal-3619	141	6	.	.	PUNCT
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american_scientific_journal-3619	144	2	-	-	SYM
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american_scientific_journal-3619	148	17	:	:	PUNCT
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american_scientific_journal-3619	148	19	case	case	NOUN
american_scientific_journal-3619	148	20	study	study	NOUN
american_scientific_journal-3619	148	21	in	in	ADP
american_scientific_journal-3619	148	22	kano	kano	PROPN
american_scientific_journal-3619	148	23	metropolis	metropolis	PROPN
american_scientific_journal-3619	148	24	,	,	PUNCT
american_scientific_journal-3619	148	25	nigeria	nigeria	PROPN
american_scientific_journal-3619	148	26	,	,	PUNCT
american_scientific_journal-3619	148	27	"	"	PUNCT
american_scientific_journal-3619	148	28	zone	zone	NOUN
american_scientific_journal-3619	148	29	journal	journal	NOUN
american_scientific_journal-3619	148	30	of	of	ADP
american_scientific_journal-3619	148	31	engineering	engineering	NOUN
american_scientific_journal-3619	148	32	,	,	PUNCT
american_scientific_journal-3619	148	33	technology	technology	NOUN
american_scientific_journal-3619	148	34	and	and	CCONJ
american_scientific_journal-3619	148	35	environment	environment	NOUN
american_scientific_journal-3619	148	36	,	,	PUNCT
american_scientific_journal-3619	148	37	vol	vol	NOUN
american_scientific_journal-3619	148	38	.	.	PROPN
american_scientific_journal-3619	148	39	9	9	NUM
american_scientific_journal-3619	148	40	,	,	PUNCT
american_scientific_journal-3619	148	41	pp	pp	ADJ
american_scientific_journal-3619	148	42	.	.	PUNCT
american_scientific_journal-3619	149	1	27	27	NUM
american_scientific_journal-3619	149	2	-	-	SYM
american_scientific_journal-3619	149	3	35	35	NUM
american_scientific_journal-3619	149	4	,	,	PUNCT
american_scientific_journal-3619	149	5	2013	2013	NUM
american_scientific_journal-3619	149	6	.	.	PUNCT