[R] Screeplot

Jan Kleinn kleinn at geo.umnw.ethz.ch
Thu May 31 19:28:11 CEST 2001

I'm trying to make a screeplot including the Cumulative Proportion of
the Variance, something that can easily be done in S-Plus with
'screeplot(pc.object,cumulative=T)'. How can I access the Proportion of
Variance in an princomp object and how could I get the Cumulative
Proportion of the Variance on the screeplot?

Many thanks in advance, Jan:-)

 Jan Kleinn                                   tel: +41-1-635 52 34
 Institute for Climate Research ETH           fax: +41-1-362 51 97
 Winterthurerstrasse 190               http://www.geo.umnw.ethz.ch
 CH-8057 Zurich, Switzerland       e-mail: kleinn at geo.umnw.ethz.ch
               Swiss Federal Institute of Technology
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