polars.Series.fill_nan#

Series.fill_nan(value: int | float | Expr | None) → Series[source]#

Fill floating point NaN value with a fill value.

Parameters:
value

Value used to fill NaN values.

Warning

Note that floating point NaNs (Not a Number) are not missing values. To replace missing values, use fill_null().

See also

fill_null

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
]