I dont know how to tell to the function 'svm' in this two cases: tune.svm or tune (svm...) the type (I want regression, but by default it works with classification) and the specify kind of kernel (by default it work with radial)... thank you so much!!! -- View this message in context: http://r.789695.n4.nabble.com/How-to-use-tune-svm-or-tune-svm-for-regression-tp4643331.html Sent from the R help mailing list archive at Nabble.com.