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Posted to issues@spark.apache.org by "Xusen Yin (JIRA)" <ji...@apache.org> on 2016/04/26 20:15:13 UTC

[jira] [Created] (SPARK-14924) OneVsRest with classifier in estimatorParamMaps of tuning fail to persistence

Xusen Yin created SPARK-14924:
---------------------------------

             Summary: OneVsRest with classifier in estimatorParamMaps of tuning fail to persistence
                 Key: SPARK-14924
                 URL: https://issues.apache.org/jira/browse/SPARK-14924
             Project: Spark
          Issue Type: Bug
          Components: ML, PySpark
            Reporter: Xusen Yin


{code}
ovr = OneVsRest()
epms = [{ovr.classifier: xxxx}, {ovr.classifier: xxx}]
cv = CrossValidator(estimator=ovr, estimatorParamMaps=epms, ...)
cv.load()
{code}

fails because classifier cannot be serialized via JSON.



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