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Group by count dataframe

Group by count dataframe

df.groupby(['col1', 'col2']).size().reset_index(name='counts')

7

Source: stackoverflow.com

Group by count dataframe

df.groupby(['col1','col2']).size()

4

Source: stackoverflow.com

Group by pandas count

df[['col1', 'col2', 'col3', 'col4']].groupby(['col1', 'col2']).agg(['mean', 'count'])

0

Source: stackoverflow.com

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