I use lme like this :
 
> lme(yield~hm*variety,data=donnees,random=~grandrep/hm+rep+block%in%rep)

and I get this message :
 
Error in getGroups.data.frame(dataMix, groups) : 
        Invalid formula for groups

Thanks

"Liaw, Andy" <andy_liaw@merck.com> wrote:
Springer is currently having a Statistics sale. Not sure if Pinhiero &
Bates is on the list though...

Best,
Andy

> From: Spencer Graves
> 
> Have you seen Pinheiro and Bates (2000) Mixed-Effects 
> Models in S 
> and S-Plus (Springer)? I read that book, worked the examples, and 
> learned how to do it. It's currently advertised for EUR 184,95 from 
> Amazon.fr but only $85 from Amazon.com; I suspect you could 
> order from 
> Amazon.com, pay international shipping and still get it cheaper and 
> faster than from Amazon.fr. 
> 
> If you "have problems in random", please provide an 
> example of the 
> error message you get -- and "
> 
> PLEASE do read the posting guide! 
> http://www.R-project.org/posting-guide.html". 
> 
> hope 
> this helps. spencer graves
> 
> Papy Gaston wrote:
> 
> >In a lattice 11x11 with 6 repetitions, we want to compare 
> lines to their two parents. 3 of the 6 repetitions are 
> sprinkled and the 3 others not. There are 5 factors : hm 
> (hydrous mode), variety, block, rep and grandrep. grandrep 
> gathers two repetition, a sprinkled and a not (as in Split 
> Plot !). I use lme but I have problems in random. Can someone 
> help me ?
> >Ibnou DIENG
> > 
> >
> >
> > 
> >---------------------------------
> >
> >
> >
> > [[alternative HTML version deleted]]
> >
> >______________________________________________
> >R-help@stat.math.ethz.ch mailing list
> >https://www.stat.math.ethz.ch/mailman/listinfo/r-help
> >PLEASE do read the posting guide! 
> http://www.R-project.org/posting-guide.html
> > 
> >
> 
> 
> ______________________________________________
> R-help@stat.math.ethz.ch mailing list
> https://www.stat.math.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! 
> http://www.R-project.org/posting-guide.html
> 
> 


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