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st: RE: the "score" command in factor analysis


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: the "score" command in factor analysis
Date   Wed, 16 Mar 2005 22:15:32 -0000

I am not clear what your point is here. 

If you are saying that the sentence you 
are quoting from the help is abbreviated
as a summary of what -score- does, then 
you are correct. But the fact that 
the scores are calculated using the 
coefficients is not contentious. It could 
hardly be otherwise. 

The help cannot provide complete documentation 
for what a command does. That goes beyond the main 
role of a help file, especially for official Stata 
command backed up by the manuals and by 
literature references. 

-score- also follows -pca-, but a similar 
point applies. 

Nick 
n.j.cox@durham.ac.uk 

louis boakye-yiadom

> According to stata's help document for -score-, "score 
> creates a set of new 
> variables that are estimates of the factors produced by 
> factor or rotate 
> (i.e., unrotated or rotated factors)". It seems to me though 
> that what the 
> -score- command actually does, is to generate coefficients 
> (rather than the 
> actual scores) which can then be used to generate esimates of 
> the factors 
> (the factor scores?). Can anyone help be know whether I'm right in my 
> understanding of what -score- does? 

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