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st: RE: PCA- Wealth index

From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   st: RE: PCA- Wealth index
Date   Thu, 27 Jan 2005 21:51:59 -0000

-score- with a single argument does 
indeed produce scores (values) for 
the first principal component ("eigenfactor"
appears to be a term you invented). 

Otherwise, the difference between principal components
analysis and factor analysis is explained
in the manual and in essentially every 
multivariate text worth talking about. 

[email protected] 

Loveena Dookhony

> I am also trying to make a wealth index using STATA. I
> am a bit confused as to what command to use:
> I am doing:
> pca roof car borehole ......
> score index
> Is this my wealth index, the 1st eigenfactor??
> What's the difference between pca and factor?

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