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Re: kmeans from 0.6 to 0.7 - Mahout - [mail # user]
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...Looks like this won't make it into this build. Pretty widespread impact on code and tests and I don't know which properties were implemented in the old version. I will create a J...
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Author: Jeff Eastman,
2012-06-08, 19:29
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Re: kmeans from 0.6 to 0.7 - Mahout - [mail # user]
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...That's a reversion that evidently got in when the new ClusterClassificationDriver was introduced. It should be a pretty easy fix and I will see if I can make the change before Pa...
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Author: Jeff Eastman,
2012-06-08, 16:21
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Re: Mahout Release : 0.7 - Mahout - [mail # dev]
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...Yes, I'm done. On 6/8/12 5:16 AM, Ted Dunning wrote: ...
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Author: Jeff Eastman,
2012-06-08, 16:14
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Re: Mahout 0.7 Code Freeze - Mahout - [mail # dev]
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...I'm a bit concerned by MAHOUT-1028. Can somebody familiar with the n-grams in seq2sparse give a read on this? On 6/6/12 10:46 AM, Paritosh Ranjan wrote: ...
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Author: Jeff Eastman,
2012-06-06, 14:51
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Re: Problem using SNAPSHOT kmeans - Mahout - [mail # user]
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...I was able to easily duplicate this exception by creating a Kluster with a zero center and requesting the pdf of a zero vector. This invokes CosineDistanceMeasure.distance() with...
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Author: Jeff Eastman,
2012-06-06, 14:48
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Re: Problem using SNAPSHOT kmeans - Mahout - [mail # user]
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...Yes, it looks like the input vectors are empty and this is the source of the error. I'm troubled; however, that empty vectors can have this impact on k-means. I'm going to write ...
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Author: Jeff Eastman,
2012-06-06, 13:53
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Mahout 0.7 Code Freeze - Mahout - [mail # dev]
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...Looking at the last open JIRA this morning it is a documentation issue that can be fixed independently of the release. Congratulations to everybody for the flurry of activity thi...
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Author: Jeff Eastman,
2012-06-05, 13:14
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Re: Problem using SNAPSHOT kmeans - Mahout - [mail # user]
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...This is the new ClusterIterator k-means implementation and you may have indeed found a corner case. Take a look at my logic in the preceding and let's see if there is a fix we ca...
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Author: Jeff Eastman,
2012-06-04, 21:22
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Re: Problem using SNAPSHOT kmeans - Mahout - [mail # user]
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...It looks like the probabilities vector returned by AbstractClusteringPolicy.classify() has no non-zero elements. In this case, AbstractClusteringPolicy.select()'s call to A...
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Author: Jeff Eastman,
2012-06-04, 21:19
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[MAHOUT-516] Eigencuts produces unexpected results - Mahout - [issue]
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...Shannon reports he suspects a logic error in Eigencuts since it evidently does not produce exactly the expected results. It passes all current unit tests so we need to characterize the resul...
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http://issues.apache.org/jira/browse/MAHOUT-516
Author: Jeff Eastman,
2012-06-03, 19:30
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