polars arg-sort for dataframe

Returns indexes for a sorted series.

This command requires a plugin

The polars arg-sort command resides in the polars plugin. To use this command, you must install and register nu_plugin_polars. See the Plugins chapter in the book for more information.

Signature

> polars arg-sort {flags}

Flags

  • --reverse, -r: reverse order
  • --nulls-last, -n: nulls ordered last
  • --maintain-order, -m: maintain order on sorted items

Input/output types:

inputoutput
anyany

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 │
╰───┴──────────╯