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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/03/03 11:06:18 UTC

[jira] [Assigned] (SPARK-13646) QuantileDiscretizer counts dataset twice in getSampledInput

     [ https://issues.apache.org/jira/browse/SPARK-13646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-13646:
------------------------------------

    Assignee: Apache Spark

> QuantileDiscretizer counts dataset twice in getSampledInput
> -----------------------------------------------------------
>
>                 Key: SPARK-13646
>                 URL: https://issues.apache.org/jira/browse/SPARK-13646
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>    Affects Versions: 1.6.0
>            Reporter: Abou Haydar Elias
>            Assignee: Apache Spark
>            Priority: Trivial
>              Labels: patch, performance
>
> getSampledInput counts the dataset twice as you see here : [https://github.com/apache/spark/blob/master/mllib/src/main/scala/org/apache/spark/ml/feature/QuantileDiscretizer.scala#L116]



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