pandas.core.resample.Resampler.nunique

Resampler.nunique(self, _method='nunique') [source]

Return number of unique elements in the group.

Returns:	Series Number of unique values within each group.

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https://pandas.pydata.org/pandas-docs/version/0.25.0/reference/api/pandas.core.resample.Resampler.nunique.html