google on "perceptual mapping with R" Here is one of the hits:
http://marketing-yogi.blogspot.com/2012/12/session-4-rcode-perceptual-maps.html It does not look like mds. It appears to be (closely related to?) PCA. Cheers, Bert Bert Gunter Genentech Nonclinical Biostatistics (650) 467-7374 "Data is not information. Information is not knowledge. And knowledge is certainly not wisdom." H. Gilbert Welch On Thu, Apr 24, 2014 at 10:20 AM, Noah Silverman <[email protected]> wrote: > Hi, > > Someone just asked me to analyze a fairly large data set using something > they called "perceptual mapping". I'm not familiar with the term, but a > quick check in Google seems to indicate that it is just another term for > Multidimensional Scaling. However, they insist that it is something > different. > > Is anybody here familiar with "perceptual mapping" with multidimensional > data? If so, can you point to me to any examples using R? > > Thanks, > > > -- > *Noah Silverman, PhD* | UCLA Department of Statistics > 8117 Math Sciences Building, Los Angeles, CA 90095 > > [[alternative HTML version deleted]] > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
