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How to put matrices with different sizes together?
I have 20 matrices with sizes = (No of stocks x 12) for 20 years. In each year, the number of stocks is different that the 20 ma...
11 years 前 | 1 个回答 | 0
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How to get certain data
I have data of stock daily returns but I just use data of 21 days before the last trading day of a month. I already have a logic...
11 years 前 | 1 个回答 | 0
