Answers for "pandas group by count"

group by count dataframe

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

group by count dataframe

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

pandas count values by column

df = pd.DataFrame({'a':list('abssbab')})
df.groupby('a').count()

pandas groupby counts

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

groupBy Count

$count = Reserve::groupBy('day')->count();