polars min for dataframe

Creates a min expression or aggregates columns to their min value.

This command requires a plugin

The polars min 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 min {flags}

Input/output types:

inputoutput
anyany

Examples

Min value from columns in a dataframe

> [[a b]; [6 2] [1 4] [4 1]] | polars into-df | polars min
╭───┬───┬───╮
│ # │ a │ b │
├───┼───┼───┤
│ 0 │ 1 │ 1 │
╰───┴───┴───╯

Min aggregation for a group-by

> [[a b]; [one 2] [one 4] [two 1]]
                | polars into-df
                | polars group-by a
                | polars agg (polars col b | polars min)
                | polars collect
                | polars sort-by a
╭───┬─────┬───╮
│ # │  a  │ b │
├───┼─────┼───┤
│ 0 │ one │ 2 │
│ 1 │ two │ 1 │
╰───┴─────┴───╯