[R] glmmadmb help

[Uwe Ligges]

On 15.10.2011 01:06, chchjames wrote:
> Hello everyone,
>
> I am using the alpha version of glmmadmb,


Sounds like you want to contact the author of the code rather than R-help.

Uwe Ligges

> and it works for most of the time
> except for one of my models. The weird thing is that it has worked before, a
> couple of months ago, and for some reason it won't now and nothing has
> changed.
>
> The code is:
> nbin5<-glmmadmb(stainp~beetle.ev+Caged*Section/SegmentT+(1|Site)+(1|Log.code),data=dat1,family="nbinom")
>
> And it thinks for a while before giving me the error:
> Error in glmmadmb(stainp ~ beetle.ev + Caged * Section/SegmentT + (1 |  :
>    The function maximizer failed
> In addition: Warning message:
> running command './glmmadmb -maxfn 500' had status 1
>
> I have narrowed it down, and the factor it has trouble with is "beetle.ev".
> This is a column of binary data which is presence or absence of beetles.
> There are only 0's and 1's in this column. The really weird thing is that I
> have another column for a different beetle ("beetle"), binary also, which
> works fine!
>
> I have tried re-entering the data in another column, putting the "beetle.ev"
> data in the "beetle" column, and nothing seems to work.
>
> Any help would be much appreciated!
>
> Thanks,
> James
>
>
>
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