id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
easat-287	Sadovnikova, Natalia A ; Davletshina, Leysan A ; Zolotareva, Olga A ; Lebedinskaya, Olga O	Regional Differentiation of the Constituent Entities of the Russian Federation by the Level of Socio-Economic Development	2021	7	.pdf	application/pdf	8018	272	39	The methods, generally used for cluster analysis are thoroughly described in a most widespread approach is based on the calculation of the integral index, in accordance with which the regions are grouped. An alternative to the index method is the multivariate statistical approach, which is based on methods of cluster analysis.	cache/easat-287.pdf	txt/easat-287.txt