[R] prcomp function

[kicker]

Dear Claudia,

you are right. Thank you very much for your explanations. So in the
non-centered case SDEV does not contain the "square roots of the eigenvalues
of the covariance/correlation matrix". In in the centered case it holds
A´A=(n-1)*cov(A) (not n+1).

Have a nice day.

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