polars arg-sort for dataframe
Returns indexes for a sorted series.
Signature
> polars arg-sort {flags}
Flags
-
--reverse, -r: Reverse order. -
--nulls-last, -n: Nulls ordered last. -
--limit, -l {int}: Limit a sort output, this is for optimization purposes and might be ignored. -
--maintain-order, -m: Maintain order on sorted items.
Input/output types:
| input | output |
|---|---|
| polars_dataframe | polars_dataframe |
| polars_lazyframe | polars_lazyframe |
Examples
Returns indexes for a sorted series
> [1 2 2 3 3] | polars into-df | polars arg-sort ╭───┬──────────╮ │ # │ arg_sort │ ├───┼──────────┤ │ 0 │ 0 │ │ 1 │ 1 │ │ 2 │ 2 │ │ 3 │ 3 │ │ 4 │ 4 │ ╰───┴──────────╯
Returns indexes for a sorted series
> [1 2 2 3 3] | polars into-df | polars arg-sort --reverse ╭───┬──────────╮ │ # │ arg_sort │ ├───┼──────────┤ │ 0 │ 3 │ │ 1 │ 4 │ │ 2 │ 1 │ │ 3 │ 2 │ │ 4 │ 0 │ ╰───┴──────────╯
Returns indexes for a sorted series and applying a limit
> [1 2 2 3 3] | polars into-df | polars arg-sort --limit 2 ╭───┬──────────╮ │ # │ arg_sort │ ├───┼──────────┤ │ 0 │ 0 │ │ 1 │ 1 │ ╰───┴──────────╯
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https://www.nushell.sh/commands/docs/polars_arg-sort.html
