[R] factor analysis (pca): how to get the 'communalities'?
Wolfgang Lindner
LindnerW at t-online.de
Fri Jan 3 09:53:03 CET 2003
Dear Prof. Ripley,
many thanks for your prompt answer and the valuable hints and pointers, I will
study them and try it again.
1.
Sorry, for not giving the full quote; my book is:
Venables & Ripley: MASS. Springer 1999, 3rd Ed. (Corr. 3rd printing 2001);
§ 11.1, p. 330 ff. (§11 written by B.D.R.)
> Those editions which cover factor analysis do explain the difference.
So I will look for the latest edition ..
2.
> 3) Don't believe SPSS knows what it is doing.
o.k. I see ;-)
Best regards
Wolfgang
--
Wolfgang Lindner Lindner at math.uni-duisburg.de
Gerhard-Mercator-Universitaet Duisburg Tel: +49 0203 379-1326
Fakultaet 4 - Naturwissenschaften Fax: +49 0203 379-2528
Institut fuer Mathematik, LE 424
Lotharstr. 65
D 47048 Duisburg (Germany)
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