Yes, I may be far more expensive than k-means. I just used it with Euclidean distance -- was for a comparison. I think k-medoids can still be useful for smaller, maybe noisier datasets, or if you have some distance measure were calculating averages may not make sense.
> On Jul 30, 2015, at 2:48 PM, Andreas Mueller <t3k...@gmail.com> wrote: > > I think KMediods has come up before. > One issues is that it doesn't really scale to large n_samples, right? > > There is an implementation mentioned here: > https://github.com/scikit-learn/scikit-learn/issues/3799 > > Do you use it because you have a custom distance matrix? > > On 07/30/2015 02:27 PM, Sebastian Raschka wrote: >> I was looking for K-Medoids too couple of weeks ago and ended up >> implementing it myself -- but more like quick & dirty. I would really >> welcome a nice and efficient implementation of available via scikit, for >> example, using voronoi iteration. >> >> Best, >> Sebastian >> >>> On Jul 30, 2015, at 1:51 PM, Timo Erkkilä <timo.erkk...@gmail.com> wrote: >>> >>> Hi all, >>> >>> I checked and could find no mention of KMedoids in Scikit-Learn. Me and my >>> friend have implemented the algorithm in Python, and were wondering if it >>> could be brought into Scikit-Learn. Thoughts? >>> >>> >>> Cheers, >>> Timo >>> >>> >>> PS: I am new to the mailing list, so please guide me in case I am doing >>> something wrong here. >>> >>> ------------------------------------------------------------------------------ >>> _______________________________________________ >>> Scikit-learn-general mailing list >>> Scikit-learn-general@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/scikit-learn-general >> >> ------------------------------------------------------------------------------ >> _______________________________________________ >> Scikit-learn-general mailing list >> Scikit-learn-general@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/scikit-learn-general > > > ------------------------------------------------------------------------------ > _______________________________________________ > Scikit-learn-general mailing list > Scikit-learn-general@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/scikit-learn-general ------------------------------------------------------------------------------ _______________________________________________ Scikit-learn-general mailing list Scikit-learn-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
