polars.DataFrame.max

DataFrame.max(axis: Literal[0] = 0) → Self

DataFrame.max(axis: Literal[1]) → Series

DataFrame.max(axis: int = 0) → Self | Series

Aggregate the columns of this DataFrame to their maximum value.

Examples

>>> df = pl.DataFrame(
...     {
...         "foo": [1, 2, 3],
...         "bar": [6, 7, 8],
...         "ham": ["a", "b", "c"],
...     }
... )
>>> df.max()
shape: (1, 3)
┌─────┬─────┬─────┐
│ foo ┆ bar ┆ ham │
│ --- ┆ --- ┆ --- │
│ i64 ┆ i64 ┆ str │
╞═════╪═════╪═════╡
│ 3   ┆ 8   ┆ c   │
└─────┴─────┴─────┘