Thanks a lot, Jake, ‘viridis’ seems to work, indeed. I guess I should move this to the matplotlib bug tracker then.
Best, Sebastian > On Sep 13, 2016, at 10:58 AM, Jacob Vanderplas <jake...@cs.washington.edu> > wrote: > > It seems to work correctly if you replace the colormap with a continuous one > like 'viridis'. I suspect this is a bug in matplotlib's ListedColormap, > Jake > > Jake VanderPlas > Senior Data Science Fellow > Director of Research in Physical Sciences > University of Washington eScience Institute > > On Tue, Sep 13, 2016 at 7:47 AM, Sebastian Raschka <se.rasc...@gmail.com> > wrote: > Hi, all, > I am having some problems with showing decision regions in 2D if more than 4 > classes are present. Really can’t figure out the source of the problem and > would really appreciate some help if you have done this before or have any > pointer since I am afraid that I am overlooking something really simple here. > > I created a gist of 2 simple examples with images attached: > > https://gist.github.com/rasbt/6fb65bba38b70e28e60a9842b988cc67 > > I think it is very likely that it is not a bug in scikit-learn but rather a > matplotlib contourf bug? In case it is a bug at all … > > Best, > Sebastian > _______________________________________________ > scikit-learn mailing list > scikit-learn@python.org > https://mail.python.org/mailman/listinfo/scikit-learn > > _______________________________________________ > scikit-learn mailing list > scikit-learn@python.org > https://mail.python.org/mailman/listinfo/scikit-learn _______________________________________________ scikit-learn mailing list scikit-learn@python.org https://mail.python.org/mailman/listinfo/scikit-learn