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...t$af, cat$ag, cat$ah, cat$ai, cat$aj, cat$ak, cat$al, cat$am, cat$an, cat$ao, cat$ap)) pca <- prcomp (t(catopsis)) plot(pca, catopsis []) summary(prcomp(catopsis)) biplot(prcomp(catopsis, scale = TRUE)) -- View this message in context: http://n4.nabble.com/PCA-Showing-file-datalabels-on-biplot-tp1289524p1289524.html Sent from the R help mailing list archive at Nabble.com.