Re: [R] Axis scaling for PCA biplot

В Tue, 15 Nov 2022 12:53:30 +0100 Christian Hennig пишет: > The default value of scale seems to be 1, but then (1-scale) is zero > so I'd assume data to be unscaled, but that should have reproduced > the "plot" scale, shouldn't it? I think this might be a documentation error. What actually happe

[R] Axis scaling for PCA biplot

Hi there, I'm puzzled about the axis scaling in the PCA biplot. Here's an example. library(pdfCluster) # package cepp seems to have the same data set. data(oliveoil) # 572 observations 10 variables olive <- oliveoil[,3:10] # numerical variables prolive <- princomp(olive) summary(prolive) # Im