[R] a priori mean comparison/orthogonal contrast?

Peter Alspach Peter.Alspach at plantandfood.co.nz
Fri Jul 20 00:00:55 CEST 2012

Tena koe Anna

Yes: see https://stat.ethz.ch/pipermail/r-help/2006-August/111234.html which includes an excellent description on this written by Bill Venables back in 1997.

HTH ....

Peter Alspach

-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of annaw
Sent: Friday, 20 July 2012 6:30 a.m.
To: r-help at r-project.org
Subject: [R] a priori mean comparison/orthogonal contrast?

I would like to use a A priori mean comparison/orthogonal contrast test on my
Im new to using R and I would like to know if its possible to perform this
test  in R and how can be done.


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