R help - Nov 2003 - Multiple comparisons with a glm

I've never seen anything written about multiple comparisons,
as in the multcomp package or with TukeyHSD, but using a glm. 
 Do such procedures exist?  Are they sensible?
Are there any packages in R that implement such comparisons?
Thank you.


-- 
Ken Knoblauch
Inserm U371
Cerveau et Vision
18 avenue du Doyen Lepine
69675 Bron cedex
France
Tel: +33 (0)4 72 91 34 77
Fax: +33 (0)4 72 91 34 61
Portable: 06 84 10 64 10
email: knoblauch at lyon.inserm.fr

On Wednesday 05 November 2003 17:28, Ken Knoblauch wrote:
> I've never seen anything written about multiple comparisons,
> as in the multcomp package or with TukeyHSD, but using a glm.
>  Do such procedures exist?  Are they sensible?
> Are there any packages in R that implement such comparisons?
simint() and simtest() both have methods for "glm" objects.

hth,
Z
> Thank you.

> I've never seen anything written about multiple comparisons,
> as in the multcomp package or with TukeyHSD, but using a glm.
>  Do such procedures exist?  Are they sensible?
> Are there any packages in R that implement such comparisons?
since version 0.4-0 in `multcomp':

 0.4-0 (13.08.2003)

        `simint' and `simtest' now have methods for `lm' and
`glm'

But you are right that there is not much theory about it (at least to my
knowledge). The procedures in `multcomp' allow for inference
on parameter estimates which are, asymptotically, multivariate normal
with known correlation structure.

Best,

Torsten

> Thank you.
>
>
> --
> Ken Knoblauch
> Inserm U371
> Cerveau et Vision
> 18 avenue du Doyen Lepine
> 69675 Bron cedex
> France
> Tel: +33 (0)4 72 91 34 77
> Fax: +33 (0)4 72 91 34 61
> Portable: 06 84 10 64 10
> email: knoblauch at lyon.inserm.fr
>
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