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Date:   Fri, 4 Feb 2011 01:50:27 +0100
Reply-To:   "Kooij, A.J. van der" <>
Sender:   "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:   "Kooij, A.J. van der" <>
Subject:   Re: Is there a way to get eigenvalues from CATPCA?
Content-Type:   multipart/alternative;

The eigenvalues are in the output: see the Model Summary Table (always displayed, even if /print none) under the heading "Variance Accounted For", subheading "Total (Eigenvalues)". Regards, Anita van der Kooij, Data Theory Scaling System Group, Leiden University.


From: SPSSX(r) Discussion on behalf of Art Kendall Sent: Thu 03-Feb-11 22:41 To: SPSSX-L@LISTSERV.UGA.EDU Subject: Is there a way to get eigenvalues from CATPCA?

I am familiarizing myself with CATPCA. Is there a way to have CATPCA produce eigenvalues so that I can can compare them to those from a PCA factor analysis of the same data. I have 14 dichotomous variables coded 1 for no and 2 for yes. (CATPCA does not like 0,1.) I have 51,000 cases.

So far I have this syntax what further specifications do I have to make? catpca variables = vr46 to vr59 /analysis = vr46 to vr59 (level=nume) /dimension = 3 /plot = loading ndim(1,3) /PRINT = none. catpca variables = vr46 to vr59 /analysis = vr46 to vr59 (level=nume) /dimension = 3 /plot = loading ndim(2,3) /PRINT = none.

Art Kendall Social Research Consultants

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