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Posted to issues@spark.apache.org by "Liang-Chi Hsieh (JIRA)" <ji...@apache.org> on 2015/05/06 05:10:00 UTC

[jira] [Created] (SPARK-7390) CovarianceCounter in StatFunctions might calculate incorrect result

Liang-Chi Hsieh created SPARK-7390:
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             Summary: CovarianceCounter in StatFunctions might calculate incorrect result
                 Key: SPARK-7390
                 URL: https://issues.apache.org/jira/browse/SPARK-7390
             Project: Spark
          Issue Type: Bug
          Components: SQL
            Reporter: Liang-Chi Hsieh


CovarianceCounter in StatFunctions has a merging stage. In this merge function, the other CovarianceCounter object sometimes has zero count that causes the final CovarianceCounter with incorrect result.





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