David Winsemius wrote: > > A combination of Predict (your newdata), cut2, and the plotting function > of your choice ought to suffice. But thought that cross-validation was an > option. Not at console at the moment (just off airplane.) > > Sent from my iPhone > > On Aug 15, 2011, at 5:26 PM, array chip <arrayprof...@yahoo.com> > wrote: > >> is there a R function that produces calibration curve on an independetn >> data automatically, just like what calibrate() does on the training data >> itself? >> >> Thanks >> >> John >> >> From: Comcast <dwinsem...@comcast.net> >> To: array chip <arrayprof...@yahoo.com> >> Cc: "r-help@r-project.org" <r-help@r-project.org> >> Sent: Monday, August 15, 2011 2:04 PM >> Subject: Re: [R] calibration curve for cph() >> >> Build a prediction function using 'Function' that gets applied to set2. >> Calibrate and validate. >> >> -- >> David >> >> Sent from my iPhone >> >> On Aug 15, 2011, at 11:31 AM, array chip <arrayprof...@yahoo.com> >> wrote: >> >> > Hi, the calibrate.cph() function in rms package generate calibration >> curve for Cox model on the same dataset where the model was derived using >> bootstrapping or cross-validation. If I have the model built on dataset >> 1, and now I want to produce a calibration curve for this model on an >> independent dataset 2, how can I do that? >> > >> > Thanks >> > >> > John >> > >> > [[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. >> >> > > [[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. >
----- Frank Harrell Department of Biostatistics, Vanderbilt University -- View this message in context: http://r.789695.n4.nabble.com/calibration-curve-for-cph-tp3745328p3746931.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
