2013/10/23 Andreas Mueller <[email protected]>: > I think the answer is that the results of RMSE are (somewhat > counterintuitively) always negative when reporting the results of > GridSearchCV. > The "greater_is_better" actually just flips the sign. > The reason it does that is that GridSearchCV always tries to maximize the > score. > I am not sure this is documented anywhere and I am not entirely happy, but > other solutions were a bit overly complex.
https://github.com/scikit-learn/scikit-learn/issues/2439 ------------------------------------------------------------------------------ October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60135991&iu=/4140/ostg.clktrk _______________________________________________ Scikit-learn-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
