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...cial issue should be submitted using the Elsevier Electronic Submission tool EES: http://ees.elsevier.com/csda. In the EES please choose the special issue on "Statistical Algorithms and Software in R" and the Co-Editor responsible for the special issues. The special issue editors: Peter Filzmoser, Vienna University of Technology, Austria. E-mail: P.Filzmoser at tuwien.ac.at Cristian Gatu, "Alexandru I. Cuza" University of Iasi, Romania. E-mail: cgatu at info.uaic.ro Achim Zeileis, Universitat Innsbruck, Austria. Achim.Zeileis at R-project.org

Hi. I have been looking at the PCAproj function in package pcaPP (R 2.4.1) for robust principal components, and I'm trying to interpret the results. I started with a data matrix of dimensions RxC (R is the number of rows / observations, C the number of columns / variables). PCAproj returns a list of class princomp, similar to the output of the function princomp. In a case where I can

Hello i need some precision about nipals in the chemometrics package in R . When i use nipals in chemometrics i obtain T and P matrix. I really don't understand what to do with these two matrix to obtain the scores for every the component (like in spss fo example) Comp1 Comp2 Comp3 quest1 0,8434 0,54333 0,3466 quest2 0,665 0,7655 0,433 Thank you very