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recap_random1
2006 Dec 11
2
How to write a two-way interaction as a random effect in a lmer model?
...using the lme4 package in
R. I created a model with the lmer function including some main effects,
a two-way interaction and a random effect. Now I am searching how I
could incorporate an interaction between the random effect and one of
the fixed effects.
I tried to express the interaction in:
recap_random3<-lmer(breath~handling+stress+stress:handling+(1|rnr)+(0|rn
r:stress))
however R gives me the following error message
:
Error in eval(expr, envir, enclos) : fl[[2]] must be a factor of length
1744
In addition: Warning messages:
1: numerical expression has 1744 elements: only the first used i...