On Sat, Feb 15, 2014 at 08:03:53PM -0500, Adam Hughes wrote: > graph.data = np.exp(-graph.data / graph.data.std())
> Can someone offer an explanation of what this step is doing for a novice? This is the 'heat kernel', it turns a real-valued difference into a positive-only affinity, as spectral clustering can only work correctly with positive affinities. Gaël ------------------------------------------------------------------------------ Android apps run on BlackBerry 10 Introducing the new BlackBerry 10.2.1 Runtime for Android apps. Now with support for Jelly Bean, Bluetooth, Mapview and more. Get your Android app in front of a whole new audience. Start now. http://pubads.g.doubleclick.net/gampad/clk?id=124407151&iu=/4140/ostg.clktrk _______________________________________________ Scikit-learn-general mailing list Scikit-learn-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
