id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
fbem-394	Guo, Qin	Short Term Investment Rating Forecast: Based on Outlook Attribute Factors	2022	8	.pdf	application/pdf	4993	154	41	Descriptive statistical analysis factor weighting of investment prospect value 1806 1903 1906 1909 mean 0.376836 0.442334 0.361647 0.371782 variance 0.059358 0.043844 0.078234 0.061349 least value 0.240059 0.337684 0.234784 0.260864 median 0.368174 0.435122 0.33871 0.357693 crest value 0.563666 0.586032 0.657812 0.749097 Observations 352 352 352 352 11 As can be seen in the above table, the overall level of the investment outlook value of each enterprise in the first quarter of 2019 is higher than that of other quarters, while the overall level of the other three quarters is not much different, and the distribution of the outlook value of each quarter is around the average, with little fluctuation. 4. Forecast Test of Investment Rating This chapter according to the previous chapter of four quarters of investment prospect value, each quarter according to the outlook value from high to low, due to the W ind comprehensive rating stock rating is divided into five categories, 13 levels, so the investment prospect value is divided into 13 groups to build portfolio, and select the portfolio asset quality inspection index for inspection.	cache/fbem-394.pdf	txt/fbem-394.txt