create factors for multiple choice variables — multichoice

Converts the numeric values returned from REDCap to factors (with levels Yes/No). This function also applies labels to the variable itself, based on the option label.

Usage

multichoice_factor(
  data,
  metadata,
  replace = FALSE,
  append = "_factor",
  include_vlabel = FALSE,
  vlabel_sep = ": "
)

Arguments

data: the data.frame to modify
metadata: metadata/datadictionary
replace: whether to overwrite the existing data .
append: text to append to the variable name if not overwriting
include_vlabel: logical indicating whether to include the variable label before the value label
vlabel_sep: text to use for separating vlabel and label

Value

input data.frame with additional factor variables.