[英]Filter pandas dataframe by date < another date where date is in an index
[英]pandas Dataframe how to filter with Date as index
我認為這里有必要先創建DatetimeIndex
:
confirmed_df.index = pd.to_datetime(confirmed_df.index, format='%m/%d/%y')
然后按YYYY-MM-DD
格式的字符串過濾:
filt = (confirmed_df.index > '2020-03-19')
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