Date:         Tue, 23 Sep 2008 23:48:09 +0200
Reply-To:     "Kooij, A.J. van der" <KOOIJ@fsw.leidenuniv.nl>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         "Kooij, A.J. van der" <KOOIJ@fsw.leidenuniv.nl>
Subject:      Re: perceptual map
Content-Type: text/plain; charset="iso-8859-1"

This can be done with CATPCA by specifying the categorical variable as a supplementary variable with multiple nominal scaling level. Then you can request a biplot of loadings (checklist variables represented as vectors) and centroids, or a joint plot with all the checklist variables (represented as points) and the categorical variable.
 
I might know how to do it if you are not using CATPCA, but then I would need to know how you make a perceptual map?
 
Regards,
Anita van der Kooij
Data Theory Group
Leiden University

________________________________

From: SPSSX(r) Discussion on behalf of Johnny Amora
Sent: Tue 23/09/2008 11:51
To: SPSSX-L@LISTSERV.UGA.EDU
Subject: perceptual map



Deal all,

I have 8 checklist variables (check for favor, uncheck for unfavor).  There are 3000 cases categorized as faculty, staff, admin, and students.  I know how to present the 8 checklist variables in a perceptual map.  Do you know the syntax on how to include the categories (faculty, staff, admin, and students) in the perceptual map? Syntax is welcome.

Thank you.
Johnny



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