group by count dataframe
df.groupby(['col1','col2']).size()group by count dataframe
df.groupby(['col1','col2']).size()pandas groupby counts
df[['col1', 'col2', 'col3', 'col4']].groupby(['col1', 'col2']).agg(['mean', 'count'])Copyright © 2021 Codeinu
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