[R-sig-ME] mixed effects logistic regression diagnostics

S Mazeri S.Mazeri at sms.ed.ac.uk
Fri Oct 21 14:21:39 CEST 2011


Hi Darren,

Thank you for your reply.
My model looks like this:
m2 <-glmer(result~age+pastnt+buffevr+sex+ethnic2+(1|hcode),  
data=camqfever, family=binomial)
summary(m2)

result = outcome of the test
age+pastnt etc = fixed.effects
1|hcode = my random effects variable in this case its different herds

So I am not sure what and how to do diagnostics on it. Any ideas?

Thank you very much,

Stella


Quoting Darren Norris <doon75 at hotmail.com> on Fri, 21 Oct 2011 09:02:19 -0300:

> Hi Stella,
> Not sure what you are looking for with "cooks distance" etc
>
> Are you able to provide example of the syntax you are using to specify
> your model? As this could help to get some more specific guidance?
> There is a "profile" method for model diagnostics but I'm not sure if
> this is available for the binomial family or which versions of lme4
> this is currently available in? (The developers work so fast I can
> never keep up).
> Chapter 1 of the draft version of the new book by Doug Bates (
> http://lme4.r-forge.r-project.org/book/ ) has some useful information
> on model diagnostics .......
>
> hth,
> Darren



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