Created
May 9, 2020 20:31
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Group DataFrame by weekday
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| df['weekday_num'] = pd.DatetimeIndex(df['date_of_birth']).weekday | |
| df['weekday_name'] = pd.DatetimeIndex(df['date_of_birth']).weekday_name | |
| df_grouped = (df.groupby(['weekday_num', 'weekday_name']) | |
| .size() | |
| .reset_index(name="n_pets")) | |
| df_grouped |
mmm maybe we are using different versions?
This is a part of a blog post - https://codeburst.io/plotting-with-pandas-dates-and-bar-plots-227f25351274
Not sure what my version was when I wrote this, but according to this it should be working: https://pandas.pydata.org/docs/reference/api/pandas.DatetimeIndex.html
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I am getting 'AttributeError: module 'pandas' has no attribute 'DateTimeIndex'' at line 1. After some googling, I could not really find the cause for it as DateTimeIndex doesn't seem to be deprecated. Any suggestions? (Yes, pandas is imported correctly)