2012/2/13 Olivier Grisel <[email protected]>: > I don't know for the polynomial kernel part but since C is scale > according to the number of sample, C=1e4 or more is required for text > classification.
I finally had time to try this out. You're absolutely right; C should be around 1e11 for a quadratic kernel SVM to be competitive on 20 newsgroups (with feature selection). Thanks! -- Lars Buitinck Scientific programmer, ILPS University of Amsterdam ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Scikit-learn-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
