[EMAIL PROTECTED] wrote: > Dear All, > > I've a question about scaling the input variables for an analysis with > svm (package e1071). Most of my variables are factors with 4 to 6 > levels but there are also some numeric variables. > > I'm not familiar with the math behind svms, so my assumtions maybe > completely wrong ... or obvious. Will the svm automatically expand the > factors into a binary matrix?
yes. > If I add numeric variables outside the range of 0 to 1 do I have to > scale them to have 0 to 1 range? svm() will scale your data by default. Cheers, David -- Dr. David Meyer Department of Information Systems and Operations Vienna University of Economics and Business Administration Augasse 2-6, A-1090 Wien, Austria, Europe Fax: +43-1-313 36x746 Tel: +43-1-313 36x4393 HP: http://wi.wu-wien.ac.at/~meyer/ ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
