I have same issue as describe here link but this time with a datetime object.
Using .values converts the datetime object to something like 2011-02-28T19:00:00.000000000-0500
.
Prior to the conversion the datetime was 2011-03-01
What is the proper way to do what I want to do?
由于高精度的datetime64的[NS]值,如果你只是对日期感兴趣的话可以calll dt.date
之前调用.values
:
p0_cost = (cost_df['price1'][cost_df['date']==p0] - cost_df['price2'][cost_df['date']==p0]).dt.date.values[0]
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