modin.pandas.Index.unique¶

Index.unique(level: Hashable | None = None) → Index[source]¶

Return unique values in the index.

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

Parameters:

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

Return type:

Index

See also

unique

Numpy array of unique values in that column.

Series.unique

Return unique values of a Series object.

Examples

>>> idx = pd.Index([1, 1, 2, 3, 3])
>>> idx.unique()
Index([1, 2, 3], dtype='int64')

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