xorbits.pandas.Series.nunique

Series.nunique(dropna: bool = True, method: str = 'auto', combine_size: Optional[int] = None)

Return number of unique elements in the object.

Excludes NA values by default.

Parameters

dropna (bool, default True) – Don’t include NaN in the count.

Return type

int

See also

DataFrame.nunique

Method nunique for DataFrame.

Series.count

Count non-NA/null observations in the Series.

Examples

>>> s = pd.Series([1, 3, 5, 7, 7])  
>>> s  
0    1
1    3
2    5
3    7
4    7
dtype: int64

>>> s.nunique()  
4

methodstr, default ‘auto’

execute via tree or shuffle way.

combine_sizeint, default None

combine chunk sizes when executing via tree way.

This docstring was copied from pandas.core.series.Series.