[ADMB Users] glmmadmb in R

[Mollie Brooks]

Hi Chris, 
I get the same error as you when I run 
fit = glmmadmb(y~Base*trt+Age+Visit,random=~Visit,group="subject",data=epil2,family="nbinom")
but this works
fit = glmmadmb(y~Base*trt+Age+Visit+(Visit|subject),data=epil2,family="nbinom")

So I guess you have the newer version of glmmADMB (like me) and I guess it requires this syntax.
cheers,
Mollie

Mollie Brooks
Ph.D. Candidate
NSF IGERT Fellow
Biology Department
University of Florida
mbrooks at ufl.edu
http://people.biology.ufl.edu/mbrooks




On 10 Nov 2011, at 4:01 PM, Christopher Smith wrote:

> Hello,
> 
> I am fairly new to R but am attempting to use GLMMs with neg. bin. distribution to analyze count data. (I have successful done this using glmer() and glm.nb() ). I am having trouble getting the function glmmabmb() to work, even for the example provided at: http://admb-project.org/examples/r-stuff/glmmadmb
> 
> I am getting the error, 
> 
> > fit = glmmadmb(y~Base*trt+Age+Visit,random=~Visit,group="subject",data=epil2,family="nbinom")
> Error in glmmadmb(y ~ Base * trt + Age + Visit, random = ~Visit, group = "subject",  : 
>   unused argument(s) (group = "subject")
> 
> 
> And/or
> 
> > fit = glmmadmb(y~Base*trt+Age+Visit,random=~Visit,data=epil2,family="nbinom")
> Error in `colnames<-`(`*tmp*`, value = character(0)) : 
>   attempt to set colnames on object with less than two dimensions
> 
> The second error is the same error I get when trying to use the function with my data. 
> 
> E.g., 
> 
> > glmmadmb(ANAM~tmin+CWD,family="nbinom",random=~Day)
> Error in `colnames<-`(`*tmp*`, value = character(0)) : 
>   attempt to set colnames on object with less than two dimensions
> 
> 
> I am on a Mac (OS X 10.5.8) running R (2.12- 32bit). Any advice? 
> 
> Thanks,
> Chris
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