This should definitely be posted on the r-sig-mixed-models list, not here.

-- Bert

On Thu, Jul 19, 2012 at 6:16 AM, Yolande Tra <yolande.tra@gmail.com> wrote:

> Hello,
>
> I have the following design, counts were collected at different transects,
> different depths and different sites at different times. Time is continuous
> and assumed to be random, all the others are categorical fixed where
> transect is nested within depth which is nested within site.
>
>  I would like an expert opinion about the following code where intercept is
> modeled as random (I am not sure if this is the right way).
>
> a<-factor(transect)
> b<-factor(depth)
> c<-factor(site)
> g<-lmer(count~(1|time)+(time|a:b:c), family="poisson")
>
> Thanks,
> Y
>
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>
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>



-- 

Bert Gunter
Genentech Nonclinical Biostatistics

Internal Contact Info:
Phone: 467-7374
Website:
http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm

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