dfr take for dataframe

Creates new dataframe using the given indices.

Signature

> dfr take (indices)

Parameters

• indices: list of indices used to take data

Input/output types:

input	output
any	any

Examples

Takes selected rows from dataframe

> let df = ([[a b]; [4 1] [5 2] [4 3]] | dfr into-df);
    let indices = ([0 2] | dfr into-df);
    $df | dfr take $indices
╭───┬───┬───╮
│ # │ a │ b │
├───┼───┼───┤
│ 0 │ 4 │ 1 │
│ 1 │ 4 │ 3 │
╰───┴───┴───╯

Takes selected rows from series

> let series = ([4 1 5 2 4 3] | dfr into-df);
    let indices = ([0 2] | dfr into-df);
    $series | dfr take $indices
╭───┬───╮
│ # │ 0 │
├───┼───┤
│ 0 │ 4 │
│ 1 │ 5 │
╰───┴───╯

Tips: Dataframe commands were not shipped in the official binaries by default, you have to build it with --features=dataframe flag