?predict.prcomp ---------------------------------------------- David L Carlson Associate Professor of Anthropology Texas A&M University College Station, TX 77843-4352
> -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > project.org] On Behalf Of David Winsemius > Sent: Saturday, March 16, 2013 1:33 PM > To: john d > Cc: r-help@r-project.org > Subject: Re: [R] help with PCA > > > On Mar 16, 2013, at 8:49 AM, john d wrote: > > > Dear all, > > > > If I do a PCA like this: > > > > dat<-matrix(rnorm(30),ncol=3) > > res<-prcomp(dat) > > > > Now, imagine that I got new data that I want to project onto the > > original PC axes. How do I do that? > > You can either read the help page or for worked examples do a search on > markmail: > > list:org.r-project.r-help prcomp project new data onto components > > > -- > David Winsemius > Alameda, CA, USA > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting- > guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
