Check variables in a data frame are valid character or factor.

Usage

assert_valid_variable(
  df,
  vars,
  label = deparse(substitute(df)),
  types = NULL,
  ...
)

Arguments

df

(data.frame) input dataset.

vars

(character) variables to check.

label

(string) labels of the data frame.

types

Named (list) of type of the input.

...

further arguments for assert_valid_var. Please note that different methods have different arguments so if provided make sure the variables to check is of the same class.