[R] lme4: How to specify nested factors, meaning of : and %in%

Claus Wilke cwilke at mail.utexas.edu
Fri Apr 4 22:45:48 CEST 2008

A quick correction to my earlier email:
> The problem that I have with this analysis is that Treatment gets both a
> fixed and a random effect [1]. So I would like to remove the fixed effect
> from Treatment, but I'm not sure how to do this. Is the following correct?
I meant: "I would like to remove the random effect from Treatment".

Claus Wilke
Claus Wilke
Section of Integrative Biology 
 and Center for Computational Biology and Bioinformatics 
University of Texas at Austin
1 University Station C0930
Austin, TX 78712
cwilke at mail.utexas.edu
512 471 6028

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