Re: [R] testing factor effects in glm

From: John Fox <>
Date: Thu 23 Feb 2006 - 05:29:12 EST

Dear Istvan,

You might want to take a look at the Anova() and linear.hypothesis() functions in the car package.


 On Wed, 22 Feb 2006, I.Szentirmai wrote:  

> Dear All,
> I'm using a glm to analyse the effect of year on a
> variable with poisson distribution. Using the summary() I
> can test whether years are different from each other, but
> how can I test whether year has an overall effect on my
> respons variable? My guess is that by a Wald-test, but I
> don't know how exactly. mailing list PLEASE do read the posting guide! Received on Thu Feb 23 05:47:52 2006

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