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
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