[R] Fw: It 's correct to do contrasts for a GLM?

Ken Knoblauch ken.knoblauch at inserm.fr
Thu Oct 23 19:17:10 CEST 2008


Ken Knoblauch <ken.knoblauch <at> inserm.fr> writes:

> 
> Susana Zuloaga <szuloaga_aguilar <at> hotmail.com> writes:
> 
> > 
> > Hi all
> > 
> > I am one recent user of R and have a few doubts
> > I did a binomial GLM  with 3 - factor and now I have to test contrasts to 
> > identify that treatments are different. I know that the contrasts are used 
> > in ANOVA, it is not incorrect to use them in GLM? there is  a way  to do 
> > contrasts between treatments for GLM as a Tukey for the ANOVA?
> > 
> > Susana
> 
> see
> 
> https://stat.ethz.ch/pipermail/r-help/2003-November/041559.html
> 

to follow-up, the package is correct, but the function to do this in 
the package, glht, has superceded the one mentioned above.

Ken

-- 
Ken Knoblauch
Inserm U846
Institut Cellule Souche et Cerveau
Département Neurosciences Intégratives
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