step_dummy

dummy encode a factor or factor like variable.

Usage

step_dummy(
  .rec,
  terms,
  one_hot = FALSE,
  role = "predictor",
  skip = FALSE,
  keep_original_cols = FALSE,
  ...
)

Arguments

.rec

the R6 recipe object.

terms

the unquoted names of the variables to use or a selector function. terms replaces the `...` of the recipes package but requires variables to be included within `c()`. For example to include variables x and y you would write `c(x,y)` in the hydrorecipes package.

one_hot

logical - use one hot encoding.

role

character - the name of the role

skip

logical - should the step be skipped

keep_original_cols

logical - keep the original columns or replace them

...

additional arguments

Value

an updated recipe

Examples

dat <- data.frame(x = factor(sample(1:10, 100, replace = TRUE)),
                  y = rnorm(100))

rec <- recipe(y~x, data = dat) |>
       step_dummy(x, one_hot = FALSE)
rec <- recipe(y~x, data = dat) |>
       step_dummy(x, one_hot = TRUE)