polars.Series.is_duplicated¶
- Series.is_duplicated() polars.internals.series.Series ¶
Get mask of all duplicated values.
- Returns
- Boolean Series
Examples
>>> s = pl.Series("a", [1, 2, 2, 3]) >>> s.is_duplicated() shape: (4,) Series: 'a' [bool] [ false true true false ]