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https://issues.apache.org/jira/browse/SPARK-8541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Rosen updated SPARK-8541:
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Assignee: Scott Taylor
> sumApprox and meanApprox doctests are incorrect
> -----------------------------------------------
>
> Key: SPARK-8541
> URL: https://issues.apache.org/jira/browse/SPARK-8541
> Project: Spark
> Issue Type: Test
> Components: PySpark
> Affects Versions: 1.3.1, 1.4.0
> Reporter: Scott Taylor
> Assignee: Scott Taylor
> Priority: Minor
> Labels: tests
>
> 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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