polars expr-not for dataframe
Creates a not expression.
Signature
> polars expr-not {flags}
Input/output types:
| input | output |
|---|---|
| polars_expression | polars_expression |
| polars_selector | polars_expression |
Examples
Creates a not expression
> (polars col a) > 2) | polars expr-not
Adds a column showing which values of col a are not greater than 2
> [[a]; [1] [2] [3] [4] [5]] | polars into-df
| polars with-column [(((polars col a) > 2)
| polars expr-not
| polars as a_expr_not)]
| polars collect
| polars sort-by a
╭───┬───┬───────╮
│ # │ a │ b │
├───┼───┼───────┤
│ 0 │ 1 │ true │
│ 1 │ 2 │ true │
│ 2 │ 3 │ false │
│ 3 │ 4 │ false │
│ 4 │ 5 │ false │
╰───┴───┴───────╯
Copyright © 2019–2026 The Nushell Project DevelopersLicensed under the MIT License.
https://www.nushell.sh/commands/docs/polars_expr-not.html
