polars count-null for dataframe
Counts null values.
Signature
> polars count-null {flags}
Input/output types:
| input | output |
|---|---|
| polars_dataframe | polars_dataframe |
| polars_lazyframe | polars_lazyframe |
Examples
Counts null values
> let s = ([1 1 0 0 3 3 4] | polars into-df);
($s / $s) | polars count-null
╭───┬────────────╮
│ # │ count_null │
├───┼────────────┤
│ 0 │ 2 │
╰───┴────────────╯
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https://www.nushell.sh/commands/docs/polars_count-null.html
