polars.Expr.is_finite#
- Expr.is_finite() Expr [source]#
Returns a boolean Series indicating which values are finite.
- Returns:
- Expr
Expression of data type
Boolean
.
Examples
>>> df = pl.DataFrame( ... { ... "A": [1.0, 2], ... "B": [3.0, float("inf")], ... } ... ) >>> df.select(pl.all().is_finite()) shape: (2, 2) ┌──────┬───────┐ │ A ┆ B │ │ --- ┆ --- │ │ bool ┆ bool │ ╞══════╪═══════╡ │ true ┆ true │ │ true ┆ false │ └──────┴───────┘