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https://issues.apache.org/jira/browse/MAHOUT-843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13165014#comment-13165014
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Hudson commented on MAHOUT-843:
-------------------------------
Integrated in Mahout-Quality #1236 (See
[https://builds.apache.org/job/Mahout-Quality/1236/])
MAHOUT-843: Final patch plus some integration fixes. All tests run
jeastman :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1211715
Files :
*
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/canopy/CanopyDriver.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/clustering/topdown
*
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/topdown/PathDirectory.java
*
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/topdown/TopDownClusteringPathConstants.java
*
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/topdown/postprocessor
*
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/topdown/postprocessor/ClusterCountReader.java
*
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/topdown/postprocessor/ClusterOutputPostProcessor.java
*
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/topdown/postprocessor/ClusterOutputPostProcessorDriver.java
*
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/topdown/postprocessor/ClusterOutputPostProcessorMapper.java
*
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/topdown/postprocessor/ClusterOutputPostProcessorReducer.java
*
/mahout/trunk/core/src/test/java/org/apache/mahout/clustering/canopy/TestCanopyCreation.java
*
/mahout/trunk/core/src/test/java/org/apache/mahout/clustering/kmeans/TestKmeansClustering.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/clustering/topdown
*
/mahout/trunk/core/src/test/java/org/apache/mahout/clustering/topdown/PathDirectoryTest.java
*
/mahout/trunk/core/src/test/java/org/apache/mahout/clustering/topdown/postprocessor
*
/mahout/trunk/core/src/test/java/org/apache/mahout/clustering/topdown/postprocessor/ClusterCountReaderTest.java
*
/mahout/trunk/core/src/test/java/org/apache/mahout/clustering/topdown/postprocessor/ClusterOutputPostProcessorTest.java
*
/mahout/trunk/integration/src/test/java/org/apache/mahout/clustering/TestClusterDumper.java
*
/mahout/trunk/integration/src/test/java/org/apache/mahout/clustering/TestClusterEvaluator.java
*
/mahout/trunk/integration/src/test/java/org/apache/mahout/clustering/cdbw/TestCDbwEvaluator.java
* /mahout/trunk/src/conf/clusterpp.props
* /mahout/trunk/src/conf/driver.classes.props
> Top Down Clustering
> -------------------
>
> Key: MAHOUT-843
> URL: https://issues.apache.org/jira/browse/MAHOUT-843
> Project: Mahout
> Issue Type: New Feature
> Components: Clustering
> Affects Versions: 0.6
> Reporter: Paritosh Ranjan
> Assignee: Jeff Eastman
> Labels: clustering, patch
> Fix For: 0.6
>
> Attachments: MAHOUT-843-patch, MAHOUT-843-patch-only-postprocessor,
> MAHOUT-843-patch-only-postprocessor-final,
> MAHOUT-843-patch-only-postprocessor-v1,
> MAHOUT-843-patch-only-postprocessor-v2,
> MAHOUT-843-patch-only-postprocessor-v3,
> MAHOUT-843-patch-only-postprocessor-v4,
> MAHOUT-843-patch-only-postprocessor-v5, MAHOUT-843-patch-v1,
> Top-Down-Clustering-patch
>
>
> Top Down Clustering works in multiple steps. The first step is to find
> comparative bigger clusters. The second step is to cluster the bigger chunks
> into meaningful clusters. This can performance while clustering big amount of
> data. And, it also removes the dependency of providing input clusters/numbers
> to the clustering algorithm.
> The "big" is a relative term, as well as the smaller "meaningful" terms. So,
> the control of this "bigger" and "smaller/meaningful" clusters will be
> controlled by the user.
> Which clustering algorithm to be used in the top level and which to use in
> the bottom level can also be selected by the user. Initially, it can be done
> for only one/few clustering algorithms, and later, option can be provided to
> use all the algorithms ( which suits the case ).
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