polars.Series.fill_nan#

Series.fill_nan(fill_value: str | int | float | bool | polars.internals.expr.expr.Expr | None) Series[source]#

Fill floating point NaN value with a fill value.

Parameters:
fill_value

Value used to fill nan values.

Examples

>>> s = pl.Series("a", [1, 2, 3, float("nan")])
>>> s.fill_nan(0)
shape: (4,)
Series: 'a' [f64]
[
        1.0
        2.0
        3.0
        0.0
]