polars.DataFrame.std¶
- DataFrame.std() polars.internals.frame.DF ¶
Aggregate the columns of this DataFrame to their standard deviation value.
Examples
>>> df = pl.DataFrame( ... { ... "foo": [1, 2, 3], ... "bar": [6, 7, 8], ... "ham": ["a", "b", "c"], ... } ... ) >>> df.std() shape: (1, 3) ┌─────┬─────┬──────┐ │ foo ┆ bar ┆ ham │ │ --- ┆ --- ┆ --- │ │ f64 ┆ f64 ┆ str │ ╞═════╪═════╪══════╡ │ 1 ┆ 1 ┆ null │ └─────┴─────┴──────┘