Re: [R] Principle component analysis function

From: Paul Hiemstra <>
Date: Thu, 06 Mar 2008 14:40:42 +0100

phthao05 wrote:
> Dear All,
> In a package, I want to use PCA function. The structure I used follow this
> page:
> fit<-principle(mydata, nfactors=9, rotation=TRUE)
> or:
> result<-PCA(mydata)
> But I don't known why R language in my computer noticed: "not found
> principle", "not found PCA".
> I download and installed R-2.6.2-win32.exe.
> Thanks alot for answering me.
> Hue University, VietNam.

You can use the prcomp() function to perform a principal component analysis, it is part of the standard installation of R.

As a tip for finding the functions you need, use (e.g. help.seach("principal component"))


Drs. Paul Hiemstra
Department of Physical Geography
Faculty of Geosciences
University of Utrecht
Heidelberglaan 2
P.O. Box 80.115
3508 TC Utrecht
Phone: 	+31302535773
Fax:	+31302531145

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Received on Thu 06 Mar 2008 - 14:01:11 GMT

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