This function bakes the step function selectors and might be useful when creating custom steps.
terms_select(terms, info, empty_fun = abort_selection)
terms | A list of formulas whose right-hand side contains
quoted expressions. See |
---|---|
info | A tibble with columns |
empty_fun | A function to execute when no terms are selected by the step. The default function throws an error with a message. |
A character string of column names or an error of there are no selectors or if no variables are selected.
library(rlang) library(modeldata) data(okc) rec <- recipe(~ ., data = okc) info <- summary(rec) terms_select(info = info, quos(all_predictors()))#> [1] "age" "diet" "height" "location" "date" "Class"