dfr dummies
for dataframe
Creates a new dataframe with dummy variables.
WARNING
Dataframe commands were not shipped in the official binaries by default, you have to build it with --features=dataframe
flag
Signature
> dfr dummies {flags}
Flags
--drop-first, -d
: Drop first row
Input/output types:
input | output |
---|---|
any | any |
Examples
Create new dataframe with dummy variables from a dataframe
> [[a b]; [1 2] [3 4]] | dfr into-df | dfr dummies
╭───┬─────┬─────┬─────┬─────╮
│ # │ a_1 │ a_3 │ b_2 │ b_4 │
├───┼─────┼─────┼─────┼─────┤
│ 0 │ 1 │ 0 │ 1 │ 0 │
│ 1 │ 0 │ 1 │ 0 │ 1 │
╰───┴─────┴─────┴─────┴─────╯
Create new dataframe with dummy variables from a series
> [1 2 2 3 3] | dfr into-df | dfr dummies
╭───┬─────┬─────┬─────╮
│ # │ 0_1 │ 0_2 │ 0_3 │
├───┼─────┼─────┼─────┤
│ 0 │ 1 │ 0 │ 0 │
│ 1 │ 0 │ 1 │ 0 │
│ 2 │ 0 │ 1 │ 0 │
│ 3 │ 0 │ 0 │ 1 │
│ 4 │ 0 │ 0 │ 1 │
╰───┴─────┴─────┴─────╯