Hi, I have found Pinheiro and Bates an absolute godsend for mixed modelling,
http://www.amazon.com/Mixed-Effects-Models-S-S-Plus/dp/0387989579 alternatively, there is a REALLY good chapter in the 3rd edition of DAAG: http://www.amazon.com/Data-Analysis-Graphics-Using-Example-Based/dp/0521762936/ref=sr_1_1?ie=UTF8&s=books&qid=1297195439&sr=1-1-spell Perhaps not the immediate answer you were looking for, but might be worthwile if you're going to be doing a lot of this. (I do). All the Best, Ross Dunne -- View this message in context: http://r.789695.n4.nabble.com/Unbalanced-Mixed-Linear-Models-With-Nested-Stratum-tp3263969p3276669.html Sent from the R help mailing list archive at Nabble.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.
