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Posted to issues@spark.apache.org by "Joseph K. Bradley (JIRA)" <ji...@apache.org> on 2015/05/07 03:08:00 UTC

[jira] [Created] (SPARK-7422) Add argmax to Vector, SparseVector

Joseph K. Bradley created SPARK-7422:
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             Summary: Add argmax to Vector, SparseVector
                 Key: SPARK-7422
                 URL: https://issues.apache.org/jira/browse/SPARK-7422
             Project: Spark
          Issue Type: New Feature
          Components: MLlib
            Reporter: Joseph K. Bradley
            Priority: Minor


DenseVector has an argmax method which is currently private to Spark.  It would be nice to add that method to Vector and SparseVector.  Adding it to SparseVector would require being careful about handling the inactive elements correctly and efficiently.

We should make argmax public and add unit tests.



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