On Fri, Dec 30, 2011 at 10:09:59AM +0100, Olivier Grisel wrote: > > * You could use the decision function, (decision_function method of the > > LinearSVC) although this is clearly a hack.
> Why is this a hack? ROC is only concerned with the relative positions > of the decision threshold, not the probability normalization AFAIK, am > I wrong? You are right, but there is nothing that tell us that the decision function is really related to a success probability. That said, the Platt method used to implement predict_proba relies on a similar hack. G ------------------------------------------------------------------------------ Ridiculously easy VDI. With Citrix VDI-in-a-Box, you don't need a complex infrastructure or vast IT resources to deliver seamless, secure access to virtual desktops. With this all-in-one solution, easily deploy virtual desktops for less than the cost of PCs and save 60% on VDI infrastructure costs. Try it free! http://p.sf.net/sfu/Citrix-VDIinabox _______________________________________________ Scikit-learn-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
