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https://issues.apache.org/jira/browse/SPARK-20234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15958077#comment-15958077
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Bryan Cutler commented on SPARK-20234:
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I can work on this
> Improve Framework for Basic ML Tests
> ------------------------------------
>
> Key: SPARK-20234
> URL: https://issues.apache.org/jira/browse/SPARK-20234
> Project: Spark
> Issue Type: Improvement
> Components: ML, Tests
> Affects Versions: 2.1.0
> Reporter: Bryan Cutler
>
> Recently, I came across a few simple ML bugs that should have been caught by
> basic checks, but there was a lack of coverage because the existing checks
> are just tacked on to other tests and easy to forget to add to new test
> suites.
> I think it's worth spending some time to making these checks more
> standardized and easy to bring into new test suites so they are not
> overlooked - possibly by using a trait.
> The basic checks I'm referring to are:
> * parameter checks
> * uid checks
> * model/estimator copies
> * model/estimator persistence
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