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[英]Converting a Pandas datetime index on a DataFrame object to *MultiIndex* with the levels “month” and “year”
[英]Converting a pandas dataframe into year from datetime
df['Feedback Year']= df['Feedback Date'].strftime("%B")
错误:
AttributeError: 'Series' object has no attribute 'strftime'
尝试:
df['Feedback Year']= df['Feedback Date'].dt.strftime("%B")
或者
df['Feedback Year']= df['Feedback Date'].apply(lambda x: x.strftime('%B'))
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