Dear Luc, Thank you so much for your help! The VarCorr() did the trick. Many thanks!
Best, Auston ______________________________________________ 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.