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Posted to issues@spark.apache.org by "Hayri Volkan Agun (JIRA)" <ji...@apache.org> on 2016/06/22 21:22:16 UTC

[jira] [Created] (SPARK-16156) RowMatrıx Covariance

Hayri Volkan Agun created SPARK-16156:
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             Summary: RowMatrıx Covariance
                 Key: SPARK-16156
                 URL: https://issues.apache.org/jira/browse/SPARK-16156
             Project: Spark
          Issue Type: Bug
          Components: MLilb
    Affects Versions: 2.0.0, 2.1.0
         Environment: Spark MLLIB
            Reporter: Hayri Volkan Agun
             Fix For: 2.1.0


Spark doesn't provide a good solution of covariance for RowMatrix with large columns. This can be fixed with using efficient stable computations and approximating to the true mean.    



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