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HAOLUN TIAN


自 2019 起处于活动状态

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cumprod 11 period return,and require nan number in no more than 2.
Hello, I am calculate the momentun return for 16383 stocks. My data is 611*16383. I have those stock 611 month return. some st...

5 years 前 | 1 个回答 | 0

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sorting unique date by time.
hello, I have a n*3 data.(entire US stock data) each cloume date are: stock id, date, price. the date in in the second clou...

5 years 前 | 3 个回答 | 0

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