is_categorical_Z_any: Check whether Z contains at least one categorical variable
Description
Categorical is defined as factor (and optionally character).
Usage
is_categorical_Z_any(sub_data, Z, allow_character = TRUE)
Arguments
- sub_data
data.frame containing the Z columns.
- Z
character vector of column names defining the conditioning set.
- allow_character
logical; treat character as categorical. Default TRUE.