Can someone help me with performing leave-out-one cross validation using R (model built is a Cox model)? Thanks. --------------------------------------------- David Verbel, MPH Senior Biostatistician Aureon Biosciences 28 Wells Avenue Yonkers, NY 10701 Phone: (914) 377-4021 Fax: (914) 377-4001 --------------------------------------------- [[alternative HTML version deleted]]
You can try and see if the errorest function in the `ipred' package can do the job. HTH, Andy> From: David Verbel > > Can someone help me with performing leave-out-one cross > validation using > R (model built is a Cox model)? Thanks. > > > > --------------------------------------------- > > David Verbel, MPH > > Senior Biostatistician > > Aureon Biosciences > > 28 Wells Avenue > > Yonkers, NY 10701 > > Phone: (914) 377-4021 > > Fax: (914) 377-4001 > > --------------------------------------------- > > > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at stat.math.ethz.ch mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > >------------------------------------------------------------------------------ Notice: This e-mail message, together with any attachments,...{{dropped}}
library("survival") library("boot") help("coxph") help("boot") - tom blackwell - u michigan medical school - ann arbor - On Wed, 25 Feb 2004, David Verbel wrote:> Can someone help me with performing leave-out-one cross validation using > R (model built is a Cox model)? Thanks. > > > > --------------------------------------------- > > David Verbel, MPH > > Senior Biostatistician > > Aureon Biosciences > > 28 Wells Avenue > > Yonkers, NY 10701 > > Phone: (914) 377-4021 > > Fax: (914) 377-4001 > > --------------------------------------------- > > > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at stat.math.ethz.ch mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html >