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From "Kai Jiang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (BEAM-3476) Implement Covariance built-in aggregation functions
Date Fri, 12 Jan 2018 22:25:00 GMT
Kai Jiang created BEAM-3476:
-------------------------------

             Summary: Implement Covariance built-in aggregation functions
                 Key: BEAM-3476
                 URL: https://issues.apache.org/jira/browse/BEAM-3476
             Project: Beam
          Issue Type: New Feature
          Components: dsl-sql
            Reporter: Kai Jiang
            Assignee: Kai Jiang


implement covar_pop(x,y) and covar_samp(x,y)



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