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Re: st: FW: equivalent SAS PRINQUAL procedure in Stata


From   Alberto R Osella <[email protected]>
To   [email protected]
Subject   Re: st: FW: equivalent SAS PRINQUAL procedure in Stata
Date   Fri, 22 Jun 2012 13:47:26 +0200

See pca
help pca will give you a first sight on help.

Otherwise you can to the online pdf documentation:

Title

pca — Principal component analysis
Syntax
Principal component analysis of data
pca varlist

if
 
in
 
weight
 
, options

Principal component analysis of a correlation or covariance matrix
pcamat matname, n(#)

options pcamat options

Hper this helps



Alberto R. Osella, MD, PhD
Laboratorio di Epidemiologia e Biostatistica
IRCCS Saverio de Bellis
Via Turi, 27
70013 Castellana Grotte (BA)
Italia
Tel:    +39 0804994655
Fax:    +39 0804994650
e-mail: [email protected]

Il 22/06/2012 13:12, Laura Grigolon ha scritto:
Dear Statalisters,

I would like to know whether there is a module in Stata that performs the equivalent of the PRINQUAL procedure in SAS.
The PRINQUAL performs principal component analysis (PCA) of qualitative, quantitative, or mixed data:

http://support.sas.com/documentation/cdl/en/statug/63033/HTML/default/viewer.htm#statug_prinqual_sect001.htm

I am not very familiar with the literature so I hope the question makes sense. I am working with a dataset containing product attributes that are both continuous and categorical (but not ordinal).

I would really appreciate any help. Thank you,

Laura

Laura Grigolon
University of Leuven - Department of Economics HOG 02.104 - Naamsestraat 69 - B-3000 Leuven
TEL: +32 16 326825 - Fax: +32 16 326796
E-mail: [email protected]
http://www.econ.kuleuven.be/public/N07082/

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