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Posted to issues@spark.apache.org by "Joseph K. Bradley (JIRA)" <ji...@apache.org> on 2018/02/27 17:56:00 UTC
[jira] [Resolved] (SPARK-18062)
ProbabilisticClassificationModel.normalizeToProbabilitiesInPlace should
return probabilities when given all-0 vector
[ https://issues.apache.org/jira/browse/SPARK-18062?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joseph K. Bradley resolved SPARK-18062.
---------------------------------------
Resolution: Duplicate
> ProbabilisticClassificationModel.normalizeToProbabilitiesInPlace should return probabilities when given all-0 vector
> --------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-18062
> URL: https://issues.apache.org/jira/browse/SPARK-18062
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Reporter: Joseph K. Bradley
> Priority: Trivial
>
> {{ProbabilisticClassificationModel.normalizeToProbabilitiesInPlace}} returns a vector of all-0 when given a rawPrediction vector of all-0. It should return a valid probability vector with the uniform distribution.
> Note: This will be a *behavior change* but it should be very minor and affect few if any users. But we should note it in release notes.
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