polars.Series.is_null¶
- Series.is_null() polars.internals.series.Series ¶
Get mask of null values.
- Returns
- Boolean Series
Examples
>>> s = pl.Series("a", [1.0, 2.0, 3.0, None]) >>> s.is_null() shape: (4,) Series: 'a' [bool] [ false false false true ]