Hi, thank you Joris and Ulrich for you answers.
Joris Meys wrote: >see the library randomForest for example I'm trying to find some example in randomForest with categorical variables but I haven't found anything. Do you know any example with both categorical and numerical variables? Anyway I don't have any class labels yet. How could I find clusters with randomForest? Ulrich wrote: >Probably the simplest way is Affinity Propagation[...] All you need is a way of measuring the similarity of >samples which is straightforward both for numerical and categorical variables. I had a look at the documentation of the package apcluster. That's interesting but do you have any example using it with both categorical and numerical variables? I'd like to test it with a large dataset.. Thanks a lot! Cheers Giuseppe -- View this message in context: http://r.789695.n4.nabble.com/cluster-analysis-and-supervised-classification-an-alternative-to-knn1-tp2231656p2232950.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.