[R] GLM - guess the distribution of the response variable

Bert Gunter gunter.berton at gene.com
Thu Feb 9 18:39:06 CET 2012

Below. -- Bert

On Thu, Feb 9, 2012 at 9:06 AM, David Winsemius <dwinsemius at comcast.net> wrote:
> On Feb 9, 2012, at 7:32 AM, wonko at posteo.de wrote:
>> Dear all,
>> I have question regarding GLMs:
>> I have a discrete response variable and a continuous explaining variable.
>> Like this:
>> http://www.myimg.de/?img=example1db0f.jpg
>> I want to use a GLM to investigate. I have to specify the "familiy of the
>> distribution of the response variable" - or, maybe more precise, the "family
>> of the distribution of the residuals of the response variable" (the mean of
>> the response should be explained by the deterministic model part of the GLM,
>> as far as I understood).
>> How do I know the distribution family of the response? OK - its needs to
>> be a discrete distribution, but there are Poisson, Binomial, Neg. Binomial.
> Is this homework, ...  in which case please read the Posting Guide.

-- and if not, please do your homework by doing some reading and/or
consulting your local statistician.

> --
> David Winsemius, MD
> West Hartford, CT
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.


Bert Gunter
Genentech Nonclinical Biostatistics

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