[R] Help on glmmPQL

[Francisco Redelico]

Dear R-Users,

I am trying to fit a generalized linear mixed models
using glmmPQL, 

mymodel.glmm = glmmPQL(efect~ time+ cov1+ cov2,
                    random = ~ fact1+ fact2+ fact3+
fact1*time + fact2*time+ fact3*- cov1 - cov2- time|
subject, family=poisson)

I get this error message: 

Error in lme.formula(fixed = zz ~ time + cov1 + cov2 ,
random = ~fact1 +  : 
iteration limit reached without convergence (9)

I used

meControl( maxIter = 10000, msMaxIter=10000,
tolerance=1e-4, nlmStepMax=10000, msVerbose = TRUE)

But it does not work.

Could you tell me what is the error about? What does
the number in brackets mean?

Thanks in advance

Francisco


		
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