From: K. Steinmann <Katharina.Steinmann_at_stud.unibas.ch>

Date: Sat 09 Jul 2005 - 04:51:12 EST

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Sat Jul 09 04:55:26 2005

Date: Sat 09 Jul 2005 - 04:51:12 EST

Using the package Lattice, I performed a PCA.

For example

pca.summary <- summary(pc.cr <- princomp(USArrests, cor = TRUE))

The Output of "pca.summary" looks as follows:

Comp.1 Comp.2 Comp.3 Comp.4 Standard deviation 1.5748783 0.9948694 0.5971291 0.41644938Proportion of Variance 0.6200604 0.2474413 0.0891408 0.04335752 Cumulative Proportion 0.6200604 0.8675017 0.9566425 1.00000000

How can I extract the proportion of variance?

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Sat Jul 09 04:55:26 2005

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