[R] how to use biplot to show PC1 and PC3 or else?

xin jqxin at iastate.edu
Fri Apr 30 03:21:50 CEST 2004

I am trying to use biplot show relationship between PC1 and PC3 of princomp.
There is example showing how to do it with PC1 and PC2. But I am totally out
of idea for PC1 and PC3. Thanks very much for your kind help.

Best Wishes,


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