[R] factor graphics with pca in R?

Martin Ivanov tramni at abv.bg
Thu Jan 7 18:26:35 CET 2010

 Dear R users, 
I need to know whether the factor graphics with principal component analysis are implemented in R. I mean the graphs where the variables are represented in a correlation circle, as described in more detail in this document: 

It is not a pain to program it myself, nevertheless it would be a waste of time
 if it is already implemented in R. 


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