pandas.core.groupby.SeriesGroupBy.nunique
- SeriesGroupBy. nunique ( dropna=True ) [source]
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Return number of unique elements in the group.
- Returns
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- Series
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Number of unique values within each group.
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Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/1.4.0/reference/api/pandas.core.groupby.SeriesGroupBy.nunique.html