[R] GLMM question

Deepayan Sarkar deepayan at stat.wisc.edu
Thu May 13 01:32:07 CEST 2004


On Wednesday 12 May 2004 16:48, Matt Loveland wrote:
> Hi
>
> I'm using lme4 to do random effects modelling.
>
> I keep getting the following error message:
>
> Error in "EMsteps<-"(*tmp*', value = control) :
>             invalid source matrix
>
> I get the error when I include more than one random effect in the
> model, sometime I'm able to get two.  I've looked into the variables
> that cause the problems aren't highly correlated, but they are dummy
> variables with small percentages receiving a score of 1 (6%, 11%).

Could you give us a reproducible example (along with information on what 
versions of R and lme4 you are using) ?

Deepayan




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