W3cubDocs

/pandas 0.25

pandas.core.groupby.SeriesGroupBy.nunique

SeriesGroupBy.nunique(self, dropna=True) [source]

Return number of unique elements in the group.

Returns:
Series

Number of unique values within each group.

© 2008–2012, AQR Capital Management, LLC, Lambda Foundry, Inc. and PyData Development Team
Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/0.25.0/reference/api/pandas.core.groupby.SeriesGroupBy.nunique.html