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Posted to issues@spark.apache.org by "Ram Sriharsha (JIRA)" <ji...@apache.org> on 2015/04/20 21:09:59 UTC

[jira] [Created] (SPARK-7015) Multiclass to Binary Reduction

Ram Sriharsha created SPARK-7015:
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             Summary: Multiclass to Binary Reduction
                 Key: SPARK-7015
                 URL: https://issues.apache.org/jira/browse/SPARK-7015
             Project: Spark
          Issue Type: Improvement
          Components: MLlib
            Reporter: Ram Sriharsha


With the new Pipeline API, it is possible to seamlessly support machine learning reductions as meta algorithms.
GBDT and SVM today are binary classifiers and we can implement multi class classification as a One vs All, or All vs All (or even more sophisticated reduction) using binary classifiers as primitives.
This JIRA is to track the creation of a reduction API for multi class classification.



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