polars drop-nulls for dataframe
Drops null values in dataframe.
Signature
> polars drop-nulls {flags} (subset)
Parameters
-
subset: Subset of columns to drop nulls.
Input/output types:
| input | output |
|---|---|
| polars_dataframe | polars_dataframe |
| polars_lazyframe | polars_lazyframe |
Examples
drop null values in dataframe
> let df = ([[a b]; [1 2] [3 0] [1 2]] | polars into-df);
let res = ($df.b / $df.b);
let a = ($df | polars with-column $res --name res);
$a | polars drop-nulls
╭───┬───┬───┬─────╮
│ # │ a │ b │ res │
├───┼───┼───┼─────┤
│ 0 │ 1 │ 2 │ 1 │
│ 1 │ 1 │ 2 │ 1 │
╰───┴───┴───┴─────╯
drop null values in dataframe
> let s = ([1 2 0 0 3 4] | polars into-df);
($s / $s) | polars drop-nulls
╭───┬─────────╮
│ # │ div_0_0 │
├───┼─────────┤
│ 0 │ 1 │
│ 1 │ 1 │
│ 2 │ 1 │
│ 3 │ 1 │
╰───┴─────────╯
Copyright © 2019–2026 The Nushell Project DevelopersLicensed under the MIT License.
https://www.nushell.sh/commands/docs/polars_drop-nulls.html
