dfr select for lazyframe
Selects columns from lazyframe.
Signature
> dfr select {flags} ...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