Read the questionnaire data csv files. Removes the participants that didn't finish or that were excluded. Removes unnecessary columns. Maps ppid using fct replace_redcapid_ppid.
read_quest_raw(rawquestpath, prefix_fn, participants_excluded, redcap_ppid_map)
The path that contains the questionnaires raw data files
Beginning of the questionnaire file name. Does not have to be exact as it will be matched with the files in the rawquestpath. 3 csv files from Redcap exist: - Ad - Pr - Po
list of excluded participants id (ppid)
redcap id (survey_id) to VR id (ppid) map
A data frame with the raw questionnaire data where each row is a participant and each column is a questionnaire item.