[R] Functions similar to step() and all.effects() that work for lme() objects?

Christoph Scherber Christoph.Scherber at agr.uni-goettingen.de
Thu Jul 24 10:16:28 CEST 2008

Dear Jon,

The function stepAIC() in Venable´s & Ripley´s MASS library does the job.

Best wishes

Jon Zadra schrieb:
> Hello,
> I make frequent use of the *step()* and, for plotting, *all.effects() 
> *functions for *lm()* objects.  I am now doing more with *lme()* random 
> effects models, and haven't been able to find functions similar to 
> *step()* or *all.effects()* which will accept *lme()* objects.  Do 
> similar functions for either exist?  If someone could point me in the 
> right direction it would be much appreciated.
> Thanks!
> Jon

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