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Peng Meng commented on SPARK-18062: ----------------------------------- This relate to how to understand all-0 rawPrediction, all classes are impossible or all classes are the same? If the later, ProbabilisticClassificationModel.normalizeToProbabilitiesInPlace should return a valid probability vector with the uniform distribution. > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org