Check out the rms package, especially the validate function. -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111
> -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of Dorm Eight > Sent: Wednesday, November 10, 2010 8:03 PM > To: r-help@r-project.org > Subject: [R] Is there effective way using R to select variables subset! > > Hi, > I wonder is there any way to select a subset useful variables from a > large > data set of variables to build a linear function with a single y. I > know some > methods without validation in the selection procedure. I want to know > is there > any way to do effectively with validation? > thanks! > > Zhizhong > > > > > [[alternative HTML version deleted]] > > ______________________________________________ > 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.
