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Re: Regarding K-Means - Mahout - [mail # user]
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...Siddharth, Have you looked at examples/bin/cluster-reuters.sh? It is a good example of clustering normal text. On 8/20/12 12:37 PM, Siddharth Tiwari wrote: ...
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Author: Jeff Eastman,
2012-08-20, 19:52
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Re: Understanding Mahout KMeans - Mahout - [mail # user]
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...1. True, the KMeansCombiner was removed and the new clustering implementations don't use combiners. Instead, all of the points assigned to a cluster by the mapper are observed() ...
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Author: Jeff Eastman,
2012-08-16, 01:14
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Re: KMeans job fails during 2nd iteration. Java Heap space - Mahout - [mail # dev]
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...+1 I like your plan to separate these two concerns. How about creating two JIRAs so these conversations can be localized and retained? On 8/10/12 6:33 AM, Paritosh Ranjan wrote:...
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Author: Jeff Eastman,
2012-08-10, 15:34
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Re: KMeans job fails during 2nd iteration. Java Heap space - Mahout - [mail # user]
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...Consider that each cluster retains 4 vectors in memory in each mapper and reducer, and that these vectors tend to become more dense (through addition of multiple sparse component...
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Author: Jeff Eastman,
2012-08-08, 12:15
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Re: Kmeans not converging in Mahout 0.7 - Mahout - [mail # user]
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...Hi Yuval, This is certainly not a planned nor a desirable behavior in 0.7. Running "./bin/mahout org.apache.mahout.clustering.display.DisplayKMeans"; however plots the k-me...
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Author: Jeff Eastman,
2012-07-26, 14:59
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Re: : Visualize clusters - Mahout - [mail # user]
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...The book was written to the Maout 0.5 API and significant changes have been made since. Most recently, in 0.7 the KMeans implementation was rewritten to use the ClusterIterator a...
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Author: Jeff Eastman,
2012-07-23, 19:52
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Re: KMeansMapper - Mahout - [mail # user]
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...Note that the KMeansMapper, along with its combiner and reducer, were eliminated in the latest 0.7 clustering refactoring and are no longer in trunk. On 7/16/12 3:59 AM, We...
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Author: Jeff Eastman,
2012-07-16, 15:04
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Fwd: Re: Cluster Evaluation 0.8 style - Mahout - [mail # user]
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...+user@ Subject: Re: Cluster Evaluation 0.8 style Date: Wed, 11 Jul 2012 16:17:29 -0400 From: Jeff Eastman To: Pat Ferrel It would be more useful for debugging i...
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Author: Jeff Eastman,
2012-07-11, 20:27
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Re: Cluster Evaluation 0.8 style - Mahout - [mail # user]
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...The ClusterEvaluator has methods for both inter-cluster density and intra-cluster density. The former computes the density using the cluster centers, while the latter uses a set ...
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Author: Jeff Eastman,
2012-07-11, 18:46
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[REPORT] Apache Mahout - July 2012 - Mahout - [mail # dev]
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...=== Apache Mahout Status Report: July 2012 == Apache Mahout provides implementations of machine learning algorithms (collaborative filtering, clustering, classification, and more) for ...
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Author: Jeff Eastman,
2012-07-10, 14:56
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