A list containing four objects:
rmatA response matrix that has had responses converged
convergedA matrix of responses showing the original response
(from) and the response that replaced it (to). If response
was not converged, then it stays the same
changedA matrix of responses that were changed. The original
response (from) and the response that replaced it (to).
If responses were removed, then <NA> is displayed
participantA list of each response with each participant affected