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Most people do not understand the knowledge points of this article "the method of calculating the small parameters of A-share stocks in R language", so the editor summarizes the following contents to you. The content is detailed, the steps are clear, and it has a certain reference value. I hope you can get something after reading this article, let's take a look at this "R language A-share small parameters calculation method" article.

Libname yu "E:\ yugao\ time span correlation\ TXT"; * sh700000 data test; data test; set yu.tar (rename= (var1=date var2=open var3=high var4=low var5=close var6=volume var7=amount)); drop amount;run * calculate R parameter, R (21) = C (t) / C (tmur21), when I

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