Christian Hennig wrote: > > Hello list, > > I want to apply svm from library e1071, and I want to supply class weights. > I do not really understand the help entry (and there is no example) > > class.weights: a named vector of weights for the different classes, > used for asymetric class sizes. Not all factor levels have to > be supplied (default weight: 1). All components have to be > named. > > I have two classes, factor levels are 1 (2000 cases, say) and 2 (1000 > cases). How has the entry for class.weights to look like? (I'm more > interested in the syntax than what the weight should be, but if you know, > please tell me...)
for example, consider the two classes `male' and `female': svm(..., class.weights = c(male=0.4, female=0.6)) g., -d > > Best, > Christian > > -- > *********************************************************************** > Christian Hennig > Seminar fuer Statistik, ETH-Zentrum (LEO), CH-8092 Zuerich (currently) > and Fachbereich Mathematik-SPST/ZMS, Universitaet Hamburg > [EMAIL PROTECTED], http://stat.ethz.ch/~hennig/ > [EMAIL PROTECTED], http://www.math.uni-hamburg.de/home/hennig/ > ####################################################################### > ich empfehle www.boag.de > > ______________________________________________ > [EMAIL PROTECTED] mailing list > http://www.stat.math.ethz.ch/mailman/listinfo/r-help -- Mag. David Meyer Wiedner Hauptstrasse 8-10 Vienna University of Technology A-1040 Vienna/AUSTRIA Department of Tel.: (+431) 58801/10772 Statistics and Probability Theory Fax.: (+431) 58801/10798 ______________________________________________ [EMAIL PROTECTED] mailing list http://www.stat.math.ethz.ch/mailman/listinfo/r-help
