Whether the initial data reduction is core sets or histograms, the procedure for fitting a weighted GMM would still be the same.
Sturla Charles Greenberg <[email protected]> wrote: > To give some more info, my application is fitting to processed data. > Basically, it's too expensive to keep all individual data points so we > keep a (3D) histogram, but we still want to fit a GMM to the data. > Additionally, we perform processing on the histogram, averaging from > multiple experiments. My current solution (re-sampling from the > histogram) does work but 1) it's kind of annoying and 2) I have to sample > a LOT of points so it slows things down. > > --Charles > > On Sun, Feb 16, 2014 at 11:02 AM, Sturla Molden > <[email protected]>wrote: > > On 16/02/14 19:47, Gael Varoquaux wrote: > On Sun, Feb 16, 2014 at 07:45:18PM +0100, Sturla Molden wrote: > The main use case is to use the histogram as a form of down-sampling. > > In this case, I'd love to see core sets, which would be a more optimal > way of down sampling. And actually, that answers my question above, I > think that core sets would be a usecase for weighted samples. > > Yes, core-sets are possible too > > <a > href="http://people.csail.mit.edu/dannyf/nips11.pdf";>http://people.csail.mit.edu/dannyf/nips11.pdf</a> > > Sturla > > ------------------------------------------------------------------------------ > 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. > > <a > href="http://pubads.g.doubleclick.net/gampad/clk?id=124407151&iu=/4140/ostg.clktrk";>http://pubads.g.doubleclick.net/gampad/clk?id=124407151&iu=/4140/ostg.clktrk</a> > _______________________________________________ Scikit-learn-general > mailing list [email protected] <a > href="https://lists.sourceforge.net/lists/listinfo/scikit-learn-general";>https://lists.sourceforge.net/lists/listinfo/scikit-learn-general</a> > > ------------------------------------------------------------------------------ > Managing the Performance of Cloud-Based Applications Take advantage of > what the Cloud has to offer - Avoid Common Pitfalls. Read the Whitepaper. > <a > href="http://pubads.g.doubleclick.net/gampad/clk?id=121054471&iu=/4140/ostg.clktrk";>http://pubads.g.doubleclick.net/gampad/clk?id=121054471&iu=/4140/ostg.clktrk</a> ------------------------------------------------------------------------------ Managing the Performance of Cloud-Based Applications Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. Read the Whitepaper. http://pubads.g.doubleclick.net/gampad/clk?id=121054471&iu=/4140/ostg.clktrk _______________________________________________ Scikit-learn-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
