dfr select for lazyframe

Selects columns from lazyframe.

Signature

> dfr select ...rest

Parameters

• ...rest: Expression(s) that define the column selection

Input/output types:

input	output
any	any

Examples

Select a column from the dataframe

> [[a b]; [6 2] [4 2] [2 2]] | dfr into-df | dfr select a
╭───┬───╮
│ # │ a │
├───┼───┤
│ 0 │ 6 │
│ 1 │ 4 │
│ 2 │ 2 │
╰───┴───╯

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