pandas.Series.nunique
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Series.nunique(dropna=True)[source] -
Return number of unique elements in the object.
Excludes NA values by default.
Parameters: -
dropna : boolean, default True -
Don’t include NaN in the count.
Returns: -
nunique : int
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Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/0.24.2/reference/api/pandas.Series.nunique.html
