util_ensure_label: Utility function ensuring valid labels
Description
Utility function ensuring valid labels
Usage
util_ensure_label(meta_data, label_col)
Value
a list containing the metadata, possibly with adapted labels,
and a string informing about the changes
Arguments
- meta_data
data.frame the data frame that contains metadata
attributes of study data
- label_col
variable attribute the name of the column in the metadata
with labels of variables