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st: Centroid Extraction Method Possible in Factor Analysis?

From   George Stimson <>
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 

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.

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