On Thu, 2010-04-29 at 15:08 +0200, Uwe Ligges wrote: > Well, it is called cross validation which is based on random sampling if > you do not have k=n -fold CV (=leave-one-out). > Again, to get reproducible results, you will need to set a seed. >
thank you. I thought that "leave-one-out" was the default. I looked at the reference file and I am not sure how to get it. Is that by setting fold=1 ? > > If the results are that unstable: Do you really have a sufficient number > of observations for your classification problem? you're probably right. e.e. Eric Elguero Laboratory Genetics and Evolution of Infectious Diseases, Team: Genetics and Adaptation of Plasmodium UMR 2724 CNRS-IRD, IRD Montpellier, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France ______________________________________________ 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.