[R] Error message in dredge function (MuMIn package) used with binary GLM

[Kamil Barton]

'rank' should be "QAICc". 
AICc does not have argument 'chat', hence the error.

kamil



CatCowie wrote
> Hi all,
> 
> I'm having trouble with the model generating 'dredge' function in the
> MuMIn
> 'Multi-model Inference' package.
> 
> Here's the script:
> 
> globalmodel<- glm(TB~lat+protocol+tested+
> streams+goats+hay+cattle+deer,
> family="binomial")
> chat<- deviance(globalmodel)/59 #There we 59 residual degrees of freedom
> in
> this global model.
> models<- dredge(globalmodel, beta=FALSE, evaluate=TRUE, rank="AICc",
> chat=chat, fixed=NULL, trace=FALSE)
> 
> And the error message is:
> 
> Error in UseMethod("logLik") :
>   no applicable method for 'logLik' applied to an object of class
> "logical"
> 
> I have trawled the literature and it seems to be ok to use a binary GLM as
> the global model - could this be the problem? The variables are a mix of
> binary and continuous data.
> 
> Any thoughts?
> Thanks,
> Cat





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