pandas.Index.unique

Index.unique(level=None)

Return unique values in the index.

Unique values are returned in order of appearance, this does NOT sort.

Parameters

levelint or hashable, optional

Only return values from specified level (for MultiIndex). If int, gets the level by integer position, else by level name.

Returns

Index

See also

unique

Numpy array of unique values in that column.

Series.unique

Return unique values of Series object.

pandas.Index.union pandas.Index.value_counts