polars median for lazyframe

Median value from columns in a dataframe or creates expression for an aggregation

Signature

> polars median {flags}

Input/output types:

inputoutput
anyany

Examples

Median 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 median)
╭───┬─────┬──────╮
 # │  a  │  b   │
├───┼─────┼──────┤
 0 one 3.00
 1 two 1.00
╰───┴─────┴──────╯

Median value from columns in a dataframe

> [[a b]; [6 2] [4 2] [2 2]] | polars into-df | polars median
╭───┬──────┬──────╮
 # │  a   │  b   │
├───┼──────┼──────┤
 0 4.00 2.00
╰───┴──────┴──────╯