Hi Justin, there seems to be an answer in this post from Peter Dalgaard:
http://tolstoy.newcastle.edu.au/R/help/05/03/1472.html -- Friedrich Schuster [EMAIL PROTECTED] Tel.: +49 6221 737474 Tel.: +49 163 7374744 ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
