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RE: st: perceptual maps in Stata


From   jverkuilen <jverkuilen@gc.cuny.edu>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: perceptual maps in Stata
Date   Fri, 30 May 2008 16:21:11 -0400

###Does anyone know of some Stata code to do a perceptual map (MDPREF or 
PREFMAP)?###

Those are SVD-based procedures if I recall right (it's been a while since Larry Hubert's multivariate course). Proper choice of the normalization in -biplot- shold do what you want.

JV

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