[R] prcomp() on correlation matrix

David L Carlson dcarlson at tamu.edu
Wed Nov 9 18:06:05 CET 2016

Have you read the manual page for prcomp()?


Look at the examples, particularly the use of the scale.= argument.

David L Carlson
Department of Anthropology
Texas A&M University
College Station, TX 77840-4352

-----Original Message-----
From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of T.Riedle
Sent: Wednesday, November 9, 2016 6:46 AM
To: R-help at r-project.org
Subject: [R] prcomp() on correlation matrix

Dear R users,

I am trying to do a Principal Components Analysis using the prcomp() function based on the correlation matrix. How can I determine to calculate PCA on a correlation or covariance matrix using prcomp()?

Thanks in advance.

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