[R] ANCOVA & Post-hoc test

Spencer Graves spencer.graves at pdf.com
Sun Dec 18 17:53:37 CET 2005

	  What search terms did you use?  Have you considered the "multcomp"
and "multtest" packages?

	  spencer graves
p.s.  If you'd like more help from this list, I suggest you read the
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Nicolas Poulet wrote:

> Hello,
> Despite my search, I didn't find a post-hoc test for an ANCOVA.
> I used the functions aov() and lm() to run the ANCOVA then I tried
> TukeyHSD() but it didn't work (because of the covariable is a continuous
> variable?).
> Furthermore, I would like to plot the adjusted values (i.e. the values of
> the tested variable taking into account the covariable).
> Thanks for your help!
> N. Poulet
> 	[[alternative HTML version deleted]]
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Spencer Graves, PhD
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