[R-sig-ME] error with glmer

[Hank Stevens]

Hi Paola,
I think you might get more helpful info if you *provide* more info.
>
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
Hank


On Dec 29, 2008, at 3:19 AM, paola berchialla wrote:

> Dear all, I have some troubles in using lme4 package, glmer function.
> Here it is the code I am trying to ran unsuccessfully:
>
> mod.glmer=glmer(Cmis~X_Igruppo_2+X_Igruppo_3+X_Igruppo_4+(1| 
> mon),data=p4,family=Gamma(link='log'))
> summary(mod.glmer)
>
> The problem is I get the following error message: Error in
> asMethod(object) : matrix is not symmetric [1,2]
> Could someone please explain this error to me? I am using R version  
> 2.7.2
>
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Dr. Hank Stevens, Associate Professor
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