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2010 Jun 30
3
Factor Loadings in Vegan's PCA
...I am using the vegan package to run a prcincipal components analysis
on forest structural variables (tree density, basal area, average
height, regeneration density) in R.
However, I could not find out how to extract factor loadings
(correlations of each variable with each pca axis), as is straightforwar
in princomp.
Do anyone know how to do that?
Moreover, do anyone knows a function r package that produces
rotated-pca and biplots? Most packages I found did only one of these
tasks (princomp, psych, vegan).
Thanks a lot,
Alexandre
Dr. Alexandre F. Souza
Programa de P??s-Gradua???...