Utility function to convert redcap repeat instance columns into appropriate form and event columns
create_repeat_instance_vars(db_data)A dataframe.
The REDCap database output generated by
REDCapR::redcap_read_oneshot()$data
The output of a standard REDCap export with repeating forms and/or events
makes use of redcap_repeat_instance in combination with
redcap_repeat_instrument and whether or not data exists in both. Instead,
rename and separate redcap_repeat_instance into redcap_form_instance and
redcap_event_instance.