Pandas groupby max multiple columns in pandas
annotations.groupby(['bookid','conceptid'], sort=False)['weight'].max()Pandas groupby max multiple columns in pandas
annotations.groupby(['bookid','conceptid'], sort=False)['weight'].max()group by 2 columns pandas
In [11]: df.groupby(['col5', 'col2']).size()
Out[11]:
col5 col2
1 A 1
D 3
2 B 2
3 A 3
C 1
4 B 1
5 B 2
6 B 1
dtype: int64Copyright © 2021 Codeinu
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