pandas.core.groupby.GroupBy.size¶
- final GroupBy.size()[source]¶
 Compute group sizes.
- Returns
 - DataFrame or Series
 Number of rows in each group as a Series if as_index is True or a DataFrame if as_index is False.
See also
Series.groupbyApply a function groupby to a Series.
DataFrame.groupbyApply a function groupby to each row or column of a DataFrame.