The are some papers on the topic (google for "roc surfaces"), but no R packages for multi-class ROC analysis. I personally have some doubts about the practical value of these approaches in the case of more than two classes, but others may disagree.
Kind regards, Tobias On Thu, Feb 21, 2008 at 8:26 PM, Waverley <[EMAIL PROTECTED]> wrote: > Hi, > > I understand for 1 d classifiers, you can use ROCR package. > > Is there a package you can plot ROC curve for 2d classifiers? One of > my colleagues asked me about this. I have been quite puzzled, > conceptually, how you can do the ROC curve for 2d classifiers. Can > someone share his/her knowledge or experience? > > Thanks in advance. > > -- > Waverley @ Palo Alto > > ______________________________________________ > 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.