polars value-counts for dataframe
Returns a dataframe with the counts for unique values in series.
Signature
> polars value-counts {flags}
Flags
-
--column, -c {string}: Provide a custom name for the count column. -
--sort, -s: Whether or not values should be sorted. -
--parallel, -p: Use multiple threads when processing. -
--normalize, -n {string}: Normalize the counts.
Input/output types:
| input | output |
|---|---|
| polars_dataframe | polars_dataframe |
| polars_lazyframe | polars_lazyframe |
Examples
Calculates value counts
> [5 5 5 5 6 6] | polars into-df | polars value-counts | polars sort-by count ╭───┬───┬───────╮ │ # │ 0 │ count │ ├───┼───┼───────┤ │ 0 │ 6 │ 2 │ │ 1 │ 5 │ 4 │ ╰───┴───┴───────╯
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https://www.nushell.sh/commands/docs/polars_value-counts.html
