Answers for "count numbere of row per group python"

count entries groupby

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

Posted by: Guest on September-09-2021

how to get count by using group by in python

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

Posted by: Guest on November-20-2020

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