polars.Expr.floor

Expr.floor() → Self

Rounds down to the nearest integer value.

Only works on floating point Series.

Examples

>>> df = pl.DataFrame({"a": [0.3, 0.5, 1.0, 1.1]})
>>> df.select(pl.col("a").floor())
shape: (4, 1)
┌─────┐
│ a   │
│ --- │
│ f64 │
╞═════╡
│ 0.0 │
│ 0.0 │
│ 1.0 │
│ 1.0 │
└─────┘