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https://issues.apache.org/jira/browse/SPARK-11502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15232737#comment-15232737
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Joseph K. Bradley commented on SPARK-11502:
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[~yuhaoyan] I just came across this JIRA again. Were you able to do some
investigation?
> Word2VecSuite needs appropriate checks
> --------------------------------------
>
> Key: SPARK-11502
> URL: https://issues.apache.org/jira/browse/SPARK-11502
> Project: Spark
> Issue Type: Test
> Components: ML
> Affects Versions: 1.6.0
> Reporter: Imran Rashid
> Priority: Minor
>
> When the random number generator was changed slightly in SPARK-10116,
> {{ml.feature.Word2VecSuite}} started failing. The tests were updated to have
> "magic" values, to at least provide minimal characterization tests preventing
> more behavior changes. However, the tests really need to be improved to have
> more sensible checks.
> Note that brute force search over seeds from 0 to 1000 failed to find one
> that worked -- the input data seems to be careful chosen for the previous
> random number generator / seed combo.
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