Ista,
At 8:01 PM -0500 2/27/09, Ista Zahn wrote:
I see that the email has not gone through because of the attachment.
The file can be downloaded from
http://prometheus.scp.rochester.edu/zlab/sites/default/files/InteractionsAndTypesOfSS.pdf
-Ista
On Fri, Feb 27, 2009 at 7:53 PM, Ista Zahn <[email protected]> wrote:
Hi everyone,
This is not a very R-specific question, I hope that will be forgiven.
I am the teaching assistant for the graduate level regression course
in the department of clinical and social psychology at my university.
Many of the students are very confused about the issues that arise
when analyzing factorial designs with unequal cell sizes.
I wrote the attached paper in an attempt to clarify these issues for
them. I'm concerned that my attempt to help them understand the issues
may just confuse them more, and I'm also concerned that I have be
mistaken about some of the claims I make in this paper.
If you have time to look it over at let me know if you spot any
problems I would greatly appreciate it.
From the point view of teaching ANOVA, this is great. But from the
point of view of teaching how to use R to do the anova, it would be
helpful to include the R commands for the doing the various analyses.
(As well as creating those lovely tables.) Nice job.
Bill
>
Thank you,
Ista
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--
William Revelle http://personality-project.org/revelle.html
Professor http://personality-project.org/personality.html
Department of Psychology http://www.wcas.northwestern.edu/psych/
Northwestern University http://www.northwestern.edu/
Use R for psychology http://personality-project.org/r
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