Re: [R] Input correlation matrix directly to princomp, prcomp

On Mon, 3 Nov 2008, EVANS David-William wrote: Hello fellow Rers, I have a no-doubt simple question which is turning into a headache so would be grateful for any help. I want to do a principal components analysis directly on a correlation matrix object rather than inputting the raw data (a

[R] Input correlation matrix directly to princomp, prcomp

Hello fellow Rers, I have a no-doubt simple question which is turning into a headache so would be grateful for any help. I want to do a principal components analysis directly on a correlation matrix object rather than inputting the raw data (and specifying cor = TRUE or the like). The re