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  1. Spark
  2. SPARK-4366 Aggregation Improvement
  3. SPARK-11490

variance should alias var_samp instead of var_pop

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 1.6.0
    • SQL

    Description

      stddev is an alias for stddev_samp. variance should be consistent.

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        Issue Links

          is related to

          Improvement - An improvement or enhancement to an existing feature or task. SPARK-15660 Update RDD `variance/stdev` description and add popVariance/popStdev

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved
          relates to

          Sub-task - The sub-task of the issue SPARK-9296 variance, var_pop, and var_samp aggregate functions

          • Major - Major loss of function.
          • Resolved

          Sub-task - The sub-task of the issue SPARK-11850 Spark StdDev/Variance defaults are incompatible with Hive

          • Major - Major loss of function.
          • Closed
          links to

          Pull request #9449 [Github] Pull Request #9449 (rxin)

          Activity

            People

              rxin Reynold Xin
              rxin Reynold Xin
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              Dates

                Created:
                Updated:
                Resolved: