[R] two-way categorical anova post-hoc data extraction

From: Hufkens Koen <koen.hufkens_at_ua.ac.be>
Date: Wed, 12 Dec 2007 20:44:47 +0100

Hi list,

I have a question regarding post-hoc extraction of data from a two-way categorical anova.

I have a categorical anova of this form:

width ~ steepness + patchiness (4 steepness levels, 4 patchiness levels)

This simple setup answers if for the widths I collected across different levels of steepness and patchiness significant differences can be found. Is there a way to look at these differences in detail. Lets say that the steepness parameter is significant, then I would like to know between which levels they are significant or if there are levels where this isn't the case.

It's a basic question but my R knowledge has faded somewhat...

Kind regards,
Koen

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