pandas.core.groupby.GroupBy.count

GroupBy.count()[source]

Compute count of group, excluding missing values.

Returns
Series or DataFrame

Count of values within each group.

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.

pandas.core.groupby.GroupBy.backfill pandas.core.groupby.GroupBy.cumcount