polars.Series.unique

Series.unique(maintain_order: bool = False) → polars.internals.series.Series

Get unique elements in series.

Parameters

maintain_order

Maintain order of data. This requires more work.

Examples

>>> s = pl.Series("a", [1, 2, 2, 3])
>>> s.unique().sort()
shape: (3,)
Series: 'a' [i64]
[
    1
    2
    3
]

polars.Series.to_physical polars.Series.unique_counts