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Re: st: perceptual maps in Stata
Hi,
I was hoping to avoid some coding, but the consensus seems to be to
just use pca or factor.
Thanks,
Walt
jverkuilen wrote:
###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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* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/