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From Sebastian Schelter <...@apache.org>
Subject Re: Moving a twitter conversation to the mailing list
Date Mon, 08 Nov 2010 13:14:18 GMT
Hi Steve,

please send a new mail for this. It's very interesting but unrelated to 
the topic of this mail thread.

--sebastian

On 08.11.2010 14:07, Steven Bourke wrote:
> Hi (sbourke = me)
>
> If anyone wants to give a hand helping to incorporate visualizations 
> I'd be interested in getting involved. I know it had a JIRSA somewhere 
> but never really progressed. Some of my colleagues were moaning about 
> mahout because it didn't have something to show pretty clusters etc.
>
>
>
> On Mon, Nov 8, 2010 at 1:01 PM, Sebastian Schelter <ssc@apache.org 
> <mailto:ssc@apache.org>> wrote:
>
>     I'm moving a twitter conversation to the mailing list so that it
>     doesn't vanish in the short-lived microblogging sphere.
>
>     To summarize, @alansaid is looking for an implementation of the
>     EM-algorithm as described here:
>     https://cwiki.apache.org/confluence/display/MAHOUT/Expectation+Maximization.
>     I could only point him to an unsuccessful implementation of PLSI
>     tried at https://issues.apache.org/jira/browse/MAHOUT-106. While
>     this one worked for tiny examples, it clearly didn't scale and it
>     had some parts of the algorithm wrong IMHO. @sbourke tweeted about
>     using it besides scalability issues but I would clearly discourage
>     anyone from doing this.
>
>     Nevertheless if Alan manages to make this work and scale I think
>     it would make a very nice contribution to Mahout. I guess we'd be
>     willing to help, so Alan, if you need support, just ask on dev@.
>     There's also a mahout hackathon planned in Berlin, maybe that
>     would be a good opportunity work collaboratively on that
>     implementation.
>
>     --sebastian
>
>


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