COPYRIGHT STATUS ---------------- The bulk of this code is Copyright (C) 2002-2012 Andrea Peters and Torsten Hothorn except the code in .R/irpart.R .R/predict.irpart.R which are modifications from the files rpart.s and predict.rpart.s from package `rpart', version 3.1-8 which is Copyright (C) 2000 Mayo Foundation for Medical Education and Research with modifications for R by Brian D. Ripley. All code is subject to the GNU General Public License, Version 2. See the file COPYING for the exact conditions under which you may redistribute it.