Thank you!
> m.1 <- aov(y ~ x)
> summary(m.1, split = list(x = list("groups 1 and 2 vs group 3" = 1, "group 1
> vs group 2" = 2)))
does what I want.
On Fri, Nov 28, 2008 at 12:02 PM, Richard M. Heiberger <[EMAIL PROTECTED]>
wrote:
> I believe you are looking for the summary.lm() function and i
I believe you are looking for the summary.lm() function and its split=
argument.
Look at
example(summary.aov)
for several examples.
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Is your objective to break down the sum of squares for x into one
for the group 1 vs group 3 contrast and another for the
group 2 vs group 3 contrast?
If that's it try this. We create the model matrix, make the two columns
generated from x into separate explanatory variables, x1 and x2, and
then
Hi all,
Hopefully this is an easy question and I've overlooked something
simple. I want to present specific contrasts in an ANOVA table. I can
of course get the significance tests with summary.lm, but my adviser
wants the results in ANOVA format. Here is a minimal example:
> x <- factor(c(rep("con
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