dolphindb Questions
1
I was trying to implement 101 quant trading factors that were published by WorldQuant (https://arxiv.org/pdf/1601.00991.pdf).
A typical factor is about processing stocks' price and volume informati...
Villanovan asked 12/9, 2022 at 19:45
1
I want to do some pivot ops to some data. Just like following.
>>> df = pd.DataFrame({'foo': ['one', 'one', 'one', 'two', 'two',
... 'two'],
... 'bar': ['A', 'B', 'C', 'A', 'B', 'C'],
......
Aleciaaleck asked 10/5, 2019 at 9:5
1
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