R help - Jun 2004 - Problem in random (lme)

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
 


		
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	[[alternative HTML version deleted]]

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 at 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
>  
>

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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