polars arg-max for dataframe
Return index for max value in series.
This command requires a plugin
The polars arg-max 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-max {flags}
Input/output types:
| input | output |
|---|---|
| polars_dataframe | polars_dataframe |
| polars_lazyframe | polars_lazyframe |
Examples
Returns index for max value
> [1 3 2] | polars into-df | polars arg-max
╭───┬─────────╮
│ # │ arg_max │
├───┼─────────┤
│ 0 │ 1 │
╰───┴─────────╯