dfr dummies for dataframe

Creates a new dataframe with dummy variables.

Signature

> dfr dummies --drop-first

Parameters

  • --drop-first (-d): Drop first row

Input/output types:

inputoutput
anyany

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 │
├───┼─────┼─────┼─────┼─────┤
│ 01010 │
│ 10101 │
╰───┴─────┴─────┴─────┴─────╯

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 │
├───┼─────┼─────┼─────┤
│ 0100 │
│ 1010 │
│ 2010 │
│ 3001 │
│ 4001 │
╰───┴─────┴─────┴─────╯

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