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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:35:00 UTC

[jira] [Resolved] (SPARK-11543) spark.ml LogisticRegressionModel should prefer thresholds over threshold

     [ https://issues.apache.org/jira/browse/SPARK-11543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-11543.
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    Resolution: Incomplete

> spark.ml LogisticRegressionModel should prefer thresholds over threshold
> ------------------------------------------------------------------------
>
>                 Key: SPARK-11543
>                 URL: https://issues.apache.org/jira/browse/SPARK-11543
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>            Reporter: Joseph K. Bradley
>            Assignee: Xiangrui Meng
>            Priority: Major
>              Labels: bulk-closed
>
> The current behavior was defined in [SPARK-9847], where the two Params must match if both are set.  This causes problems for model persistence, for which it is easier (for backwards compatibility) to save a single ParamMap instead of 2 (user-set + default).  This can be fixed by changing LogisticRegression to use {{thresholds}} if set (ignoring {{threshold}}), and to otherwise use {{threshold}}.



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