Introduction - If you have any usage issues, please Google them yourself
% multi factor model
%V1.0
% will determine a good multi factor (not yet supported by automatically choosing the appropriate multi factor), calculate the score of each stock, according to the stock score is divided into n intervals
% data by column are STK, date, close, totalsize (total market value), lSize (market capitalization), RET (yield)
% of the current version is only one of the total market capitalization, and later if the factor becomes larger, it only needs to be added after close (fourth columns) and before lSize (end-3 column)