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%).
I've read the documentation for lme4 about EMsteps, but am not sure how to use what it
tells me.
I realize this is more a stat question than an R question, and I appologize for that,
but any thoughts or direction to find an answer will be greatly appreciated.
Thanks
Matt
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