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Posted to dev@mahout.apache.org by "Paritosh Ranjan (Commented) (JIRA)" <ji...@apache.org> on 2012/03/22 18:10:26 UTC

[jira] [Commented] (MAHOUT-991) Convert Canopy, MeanShift, K-means, Dirichlet, Fuzzy KMeans and Other Tools to emit ClusterWritable

    [ https://issues.apache.org/jira/browse/MAHOUT-991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13235730#comment-13235730 ] 

Paritosh Ranjan commented on MAHOUT-991:
----------------------------------------

I am successful in converting all except MeanShift's MR clustering.

Jeff, can meanshift ( both sequential and MR ) be committed separately/later? Do you see any problems in committing MeanShiftCanopyClustering later?
                
> Convert Canopy, MeanShift, K-means, Dirichlet, Fuzzy KMeans and Other Tools to emit ClusterWritable
> ---------------------------------------------------------------------------------------------------
>
>                 Key: MAHOUT-991
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-991
>             Project: Mahout
>          Issue Type: Sub-task
>          Components: Clustering
>    Affects Versions: 0.6
>            Reporter: Jeff Eastman
>            Assignee: Paritosh Ranjan
>             Fix For: 0.7
>
>
> Adjust the Canopy, MeanShift, K-means, Dirichlet and Fuzzy KMeans implementations to emit ClusterWritables instead of Clusters. Adjust the other clustering tools (ClusterDumper and ClusterEvaluators) to accept ClusterWritables produced by these algorithms.
> The new ClusterIterator and ClusterClassifier uses an expanded sequence file representation that stores Clusters as self-describing ClusterWritable objects. So, once all of these algorithms will start emitting ClusterWritables, then KMeans, Dirichlet and FuzzyK will be able to use ClusterIterator and ClusterClassifier for buildClusters phase.

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