Hi,
I was trying to figure out how to do post-hoc tests for Two Way ANOVAs and
found the following 2 approaches:
a. Do pairwise t-tests (bonferroni corrected) if one finds significance with
the ANOVA.
Link-
http://rtutorialseries.blogspot.com/2011/01/r-tutorial-series-two-way-anova-with.html
Please look at the ?mmc example for two-way ANOVA in library(HH).
If you don't already have HH you can get it with
install.packages(HH)
library(HH)
?mmc
mmc uses the glht function in the multcomp package for its calculations
and then draws the MMC graph.
Rich
On 10/19/12, Amartya
Amartya: This is probably more of a statistics question than an R question.
I would go with the Tukey HSD, were I you as that is its intention.
Is there anyone in your organization (school, company, etc) that does
statistical consulting? I have had wonderful experience working with the
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