On Fri, Oct 2, 2009 at 11:10 AM, Duncan Murdoch <murd...@stats.uwo.ca> wrote: > I don't think there's a simple way to specify the exact relationship, but > you can do it with some work.
Thanks Duncan. That's what I was beginning to suspect, nice to have confirmation, even if it will mean a bit of work. Ben -- Dr. Ben Kenward Department of Psychology, Uppsala University, Sweden http://www.benkenward.com ______________________________________________ R-help@r-project.org 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.