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From Jeff Eastman <j...@windwardsolutions.com>
Subject Re: syntheticcontroldata clustering example failure due to combiner
Date Thu, 11 Jun 2009 03:59:45 GMT
*mapper not reducer

Jeff Eastman wrote:
> r783617 removed the CanopyCombiner and refactored its semantics back 
> into the reducer. Updated unit tests pass and Synthetic Control with 
> Canopy produces 6 clusters. Kmeans also runs produces 6 clusters too. 
> I really don't like doing stuff in close() but see no practical 
> alternative. Ideas are still welcomed.
>
> Jeff
>
>
> Jeff Eastman wrote:
>> Adil Aijaz wrote:
>>> 2. There is a bug in 
>>> examples/src/main/java/org/apache/mahout/clustering/syntheticcontrol/kmeans/Job.java

>>> that called runJob from main function with my provided arguments 
>>> transposed. So, my convergenceDelta was interpreted as t1, t1 as t2, 
>>> and t2 as convergenceDelta. I will commit a patch as soon as I get 
>>> approval for opensource commits from my employer, however, I thought 
>>> I'd put it out there in case someone else is going through the same 
>>> issue.
>>>
>> r783585 fixed the parameter ordering bug. Still working on the 
>> Combiner problem.
>>
>> Thanks Adil,
>> Jeff
>>
>>
>
>
>


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