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  1. Core Server
  2. SERVER-5044

$stdDev aggregation operator for standard deviation

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Details

    • Fully Compatible
    • Quint Iteration 4, Quint Iteration 5
    • 0

    Description

      see https://gist.github.com/1886960 for an algorithm to handle calculating standard deviation and variance across many servers.

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        Issue Links

          is related to

          Task - A task that needs to be done. DRIVERS-234 Aggregation Builder Support for 3.2

          • Major - P3 - Major loss of function.
          • Closed
          related to

          Bug - A problem which impairs or prevents the functions of the product. SERVER-38851 Replace assert.close() with separate functions for integer and floating point closeness

          • Major - P3 - Major loss of function.
          • Backlog

          New Feature - A new feature of the product, which has yet to be developed. CSHARP-1367 $stdDev aggregation operator for standard deviation

          • Major - P3 - Major loss of function.
          • Closed

          New Feature - A new feature of the product, which has yet to be developed. JAVA-1935 $stdDev aggregation operator for standard deviation

          • Major - P3 - Major loss of function.
          • Closed
          links to

          Web Link https://github.com/mongodb/mongo/pull/464

          Web Link Pull request mongo/pull/409

          Activity

            People

              mathias@mongodb.com Mathias Stearn
              mathias@mongodb.com Mathias Stearn
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                Created:
                Updated:
                Resolved: