[R] Request for Help: Rotation of PCA Solution or Eigenvectors

Jonathan Baron baron at cattell.psych.upenn.edu
Fri Sep 21 23:48:40 CEST 2001

>I am writing because I seek to perform a varimax rotation
>on my Principal Components Analysis (PCA)  solution. (I have been
>performing PCA's using the eigen command in R.) If you can tell me
>how to perform this rotation when I use the eigen command (or the
>princomp command) I would be thrilled.

You must have the mva package if you are doing principle
components.  Look at the help for it.  You will see "varimax" as
one of the topics, and "factanal" as another.  I think that is
what is available.  I don't think you can do varimax rotation on
principal components (unless you write it yourself, assuming that
it is meaningful).

Jon Baron

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