group by count dataframe
df.groupby(['col1', 'col2']).size().reset_index(name='counts')group by count dataframe
df.groupby(['col1', 'col2']).size().reset_index(name='counts')pandas groupby counts
df[['col1', 'col2', 'col3', 'col4']].groupby(['col1', 'col2']).agg(['mean', 'count'])groupBy Count
$count = Reserve::groupBy('day')->count();Copyright © 2021 Codeinu
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