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Re: st: factor analysis - interpreting the results, inclusion of dp variable


From   SR Millis <srmillis@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: factor analysis - interpreting the results, inclusion of dp variable
Date   Mon, 13 Aug 2007 08:36:18 -0700 (PDT)

First, what is your sample size?  Did you run
collinearity diagnostics on the IVs?

SR Millis

--- georg wernicke <georg.wernicke@googlemail.com>
wrote:


> i have quite a number of independent variables which
> have been
> identified as significant in the literature before
> (around 16). when i
> add all them in a regression, not one single
> variable is significant.
> i want to employ factor analysis to get a
> persimonious model.


Scott R Millis, PhD, MEd, ABPP (CN,CL,RP), CStat
Professor & Director of Research
Dept of Physical Medicine & Rehabilitation
Wayne State University School of Medicine
261 Mack Blvd
Detroit, MI 48201
Email:  smillis@med.wayne.edu
Tel: 313-993-8085
Fax: 313-966-7682
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