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  1. Hive
  2. HIVE-1549

Add ANSI SQL correlation aggregate function CORR(X,Y).

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    Details

    • Type: New Feature
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.7.0
    • Fix Version/s: 0.7.0
    • Component/s: UDF
    • Labels:
      None
    • Hadoop Flags:
      Reviewed
    • Release Note:
      This CORR udaf is implemented using a stable one-pass algorithm, similar to the one used in the COVAR_POP udaf.

      Description

      Aggregate function that computes the Pearson's coefficient of correlation between a set of number pairs.

        Attachments

        1. HIVE-1549.1.patch
          32 kB
          Pierre Huyn
        2. HIVE-1549.2.patch
          32 kB
          Pierre Huyn
        3. HIVE-1549.3.patch
          32 kB
          Pierre Huyn
        4. HIVE-1549.4.patch
          22 kB
          Pierre Huyn

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