Hi all~ We've resolved this issue offline. In this particular case the error was caused by not internally labeling regimes.
All the best, Jeremy _______________________________________________ R-sig-phylo mailing list - R-sig-phylo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-phylo Searchable archive at http://www.mail-archive.com/r-sig-phylo@r-project.org/