Re: [R] convergence problem gamm / lme

On Thursday 22 January 2009 15:52, geert aarts wrote: Hope one of you could help with the following question/problem: We would like to explain the spatial distribution of juvenile fish. We have 2135 records, from 75 vessels (code_tripnr) and 7 to 39 observations for each vessel, hence

Re: [R] convergence problem gamm / lme

, geert aarts wrote: Simon, thanks for your reply and your suggestions. I fitted the following glmm's gamm3-try(glmmPQL(count~offset(offsetter)+poly(lon,3)*poly(lat,3),random=l ist(code_tripnr=~1),family=poisson)) Which worked OK (see summary below) I also fitted a model using quasipoisson

[R] convergence problem gamm / lme

Hope one of you could help with the following question/problem: We would like to explain the spatial distribution of juvenile fish. We have 2135 records, from 75 vessels (code_tripnr) and 7 to 39 observations for each vessel, hence the random effect for code_tripnr. The offset (‘offsetter’)