[R] help with multiple comparisons

[KAREN KOTSCHY]

Dear R users

I have a question which is only partly related to R, but I'm sending 
it to this list in the hope that someone with a better statistical 
background than mine will be kind enough to help me.

It concerns multiple comparison testing in ANOVA. I know this 
subject has been raised before on this list, and I have looked 
through the relevant messages and read the article in Biometrics 
by S. Paul Wright suggested by Thomas Lumley, as  well as some 
other literature. However, I am still stuck as to how to actually 
implement one of these tests in R. As I am neither a statistician 
nor a programmer, the idea of coding my own test seems like a 
really remote possibility. Thomas Lumley did post some code for 3 
post hoc tests (Bonferroni, Holm and Hochberg) a while ago (see 
below), but I am still battling to work out how I would actually use 
one of these on my data.

Is there anyone who would be prepared to guide me through the 
process? Please?

Thank you
Karen
Karen Kotschy
Centre for Water in the Environment
University of the Witwatersrand
Johannesburg

Tel: 011 716-2218
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