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dfr dummies for dataframe

Creates a new dataframe with dummy variables.

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

> [[ab]; [12] [34]] |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

> [12233] |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│
╰───┴─────┴─────┴─────╯

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

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https://www.nushell.sh/commands/docs/dfr_dummies.html