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Re: st: Re: Factor analysis after multiple imputation in STATA


From   SR Millis <srmillis@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Re: Factor analysis after multiple imputation in STATA
Date   Sat, 21 Jul 2007 10:16:30 -0700 (PDT)

You might want to consider the procedure of
"exploratory factor analysis with the confirmatory
factor analysis framework" (Joreskog & Sorbom, 1979;
Muthen & Muthen, 1998). E/CFA is an intermediate step
between EFA and CFA. In E/CFA, you fix factor
variances to unity, freely estimate the factor
covariances, and select an anchor item for each factor
whose cross-loadings are fixed to zero. This
specification produces the same model as maximum
likelihood EFA but you get a lot more useful info.  

This can be done is Mplus, LISREL, EQS, SAS proc
calis, and AMOS. Tim Brown provides a worked example
in his CFA book.

Scott Millis
--- tang5@purdue.edu wrote:

> Thanks for this nice background introduction.
> One more question: Do you know any software that can
> apply FIML to exploratory 
> FA? it seems that both Amos and Lisrel feature
> confirmatory FA with regarding 
> to FIML. This may not be a STATA discussion.
> Thanks


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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