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From "Scott Taylor (JIRA)" <>
Subject [jira] [Created] (SPARK-8541) sumApprox and meanApprox doctests are incorrect
Date Mon, 22 Jun 2015 22:13:00 GMT
Scott Taylor created SPARK-8541:

             Summary: sumApprox and meanApprox doctests are incorrect
                 Key: SPARK-8541
             Project: Spark
          Issue Type: Test
          Components: PySpark
    Affects Versions: 1.4.0, 1.3.1
            Reporter: Scott Taylor
            Priority: Minor

The doctests for sumApprox and meanApprox methods test against an upper bound but not a lower
bound. If there was a regression in the underlying code that caused things to go wrong the
doctest may not fail. For example if sumApprox returned 0 the doctest would return -1 which
is less than 0.05. Solution is to use the abs() function to test that the approximate answer
is within 5% of the exact answer.

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