polars drop-duplicates for dataframe
Drops duplicate values in dataframe.
Signature
> polars drop-duplicates {flags} (subset)
Flags
-
--maintain, -m: Maintain order. -
--last, -l: Keeps last duplicate value (by default keeps first).
Parameters
-
subset: Subset of columns to drop duplicates.
Input/output types:
| input | output |
|---|---|
| polars_dataframe | polars_dataframe |
| polars_lazyframe | polars_lazyframe |
Examples
drop duplicates
> [[a b]; [1 2] [3 4] [1 2]] | polars into-df
| polars drop-duplicates
| polars sort-by a
╭───┬───┬───╮
│ # │ a │ b │
├───┼───┼───┤
│ 0 │ 1 │ 2 │
│ 1 │ 3 │ 4 │
╰───┴───┴───╯
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https://www.nushell.sh/commands/docs/polars_drop-duplicates.html
