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hello作者你好,这里面的因子大量的使用了rank没有带天数的函数,如果一次性计算是否用了未来函数? 难道每天更新吗?还是说我计算方式有问题
The text was updated successfully, but these errors were encountered:
rank是横截面排序,某一股票的alpha在当前时刻下在其他所有股票的alpha中的位置;ts_rank是序列排序,某一股票的当前alpha在某段时间内的alpha中的位置。一个是与其他股票比较,一个是与自己比较,这两个函数都是在描述强弱。
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hello作者你好,这里面的因子大量的使用了rank没有带天数的函数,如果一次性计算是否用了未来函数?
难道每天更新吗?还是说我计算方式有问题
The text was updated successfully, but these errors were encountered: