dask.dataframe.groupby.SeriesGroupBy.size

SeriesGroupBy.size(split_every=None, split_out=1)

Compute group sizes.

This docstring was copied from pandas.core.groupby.groupby.GroupBy.size.

Some inconsistencies with the Dask version may exist.

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.groupby

Apply a function groupby to a Series.

DataFrame.groupby

Apply a function groupby to each row or column of a DataFrame.