polars.Expr.le#

Expr.le(other: Any) → Self[source]#

Method equivalent of “less than or equal” operator expr <= other.

Parameters:

other: A literal or expression value to compare with.

Examples

>>> df = pl.DataFrame(
...     data={
...         "x": [5.0, 4.0, float("nan"), 0.5],
...         "y": [5.0, 3.5, float("nan"), 2.0],
...     }
... )
>>> df.with_columns(
...     pl.col("x").le(pl.col("y")).alias("x <= y"),
... )
shape: (4, 3)
┌─────┬─────┬────────┐
│ x   ┆ y   ┆ x <= y │
│ --- ┆ --- ┆ ---    │
│ f64 ┆ f64 ┆ bool   │
╞═════╪═════╪════════╡
│ 5.0 ┆ 5.0 ┆ true   │
│ 4.0 ┆ 3.5 ┆ false  │
│ NaN ┆ NaN ┆ true   │
│ 0.5 ┆ 2.0 ┆ true   │
└─────┴─────┴────────┘