polars.Series.fill_nan# Series.fill_nan(value: int | float | Expr | None) → Series[source]# Fill floating point NaN value with a fill value. Parameters: valueValue 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 ]