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Re: st: Effects coding with interactions: references


From   "Alan Neustadtl" <alan.neustadtl@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Effects coding with interactions: references
Date   Wed, 31 May 2006 21:19:38 -0400

"Regression with Dummy Variables" by Melissa A. Hardy and "Multiple
Regression and Causal Analysis" by McKee McClendon.

Best,
Alan

On 5/31/06, Jesper Kjr Hansen <kjaer.hansen@get2net.dk> wrote:
I hope that someone on the list is able and willing to help
me with references to books or articles on 'effects coding'
(deviation coding), i.e. recoding categorical variables to
compare the mean of the variable for a given level to the grand
mean of the variable.

I am interested in references describing how to code as well as
how interpret the effects, especially how to code interactions
with other variables.

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