[SciPy-User] kmeans

Keith Goodman kwgoodman@gmail....
Fri Jul 23 13:16:08 CDT 2010


On Fri, Jul 23, 2010 at 10:48 AM, alex <argriffi@ncsu.edu> wrote:
> On Fri, Jul 23, 2010 at 1:36 PM, Benjamin Root <ben.root@ou.edu> wrote:
>> As a thought, a possible way to help out the current implementation is to
>> ensure that unique guesses are made.  Currently, several iterations are
>> wasted by performing guesses that it has already done before.  Is there a
>> way to do sampling without replacement in numpy.random?
>>
>
> Here is an old thread about initializing kmeans with/without replacement
> http://old.nabble.com/kmeans-and-initial-centroid-guesses-td26938926.html

And here's the ticket: http://projects.scipy.org/scipy/ticket/1078


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