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st: Centroid Extraction Method Possible in Factor Analysis?


From   George Stimson <stimson@netz.us>
To   statalist@hsphsun2.harvard.edu
Subject   st: Centroid Extraction Method Possible in Factor Analysis?
Date   Fri, 16 Jun 2006 01:44:03 GMT

I understand that the centroid 
extraction method in factor analysis is 
often looked upon skeptically due to its 
indeterminancy.  However, for 
theoretical reasons I would like to be 
able to use it for Q-factor analysis of 
persons rather than traits following 
Stephenson's Q-Methodology.

It appears that Stata does not support a 
centroid extraction method for factor 
analysis and using Stata's "findit" I 
was unable to find whether there are any 
user routines for this factor extraction 
method.

Does anyone know whether it is possible 
to use centroid extraction in Factor 
Analysis with Stata?  I have a DOS 
program that can do this, but I would 
prefer to keep my project in Stata.

Thanks for any information or advice.

George
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