polars is-duplicated for dataframe
Creates mask indicating duplicated values.
Signature
> polars is-duplicated {flags}
Input/output types:
| input | output |
|---|---|
| polars_dataframe | polars_dataframe |
| polars_lazyframe | polars_lazyframe |
Examples
Create mask indicating duplicated values
> [5 6 6 6 8 8 8] | polars into-df | polars is-duplicated ╭───┬───────────────╮ │ # │ is_duplicated │ ├───┼───────────────┤ │ 0 │ false │ │ 1 │ true │ │ 2 │ true │ │ 3 │ true │ │ 4 │ true │ │ 5 │ true │ │ 6 │ true │ ╰───┴───────────────╯
Create mask indicating duplicated rows in a dataframe
> [[a, b]; [1 2] [1 2] [3 3] [3 3] [1 1]] | polars into-df | polars is-duplicated ╭───┬───────────────╮ │ # │ is_duplicated │ ├───┼───────────────┤ │ 0 │ true │ │ 1 │ true │ │ 2 │ true │ │ 3 │ true │ │ 4 │ false │ ╰───┴───────────────╯
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https://www.nushell.sh/commands/docs/polars_is-duplicated.html