Add variable labels and rename to human readable column names
Arguments
- pumf_data
pumf data file
- pumf_base_path
optional base path, guessed from attributes on
pumf_data
- layout_mask
optional layout mask in case there are several layout files, guessed from attributes on
layout_mask
- rename_columns
rename PUMF columns to human readable names, default is `TRUE`
- infer_missing_numeric
optional character, infer variables that aren't labelled to be numeric