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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/03/22 23:37:25 UTC

[jira] [Assigned] (SPARK-13952) spark.ml GBT algs need to use random seed

     [ https://issues.apache.org/jira/browse/SPARK-13952?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-13952:
------------------------------------

    Assignee: Apache Spark

> spark.ml GBT algs need to use random seed
> -----------------------------------------
>
>                 Key: SPARK-13952
>                 URL: https://issues.apache.org/jira/browse/SPARK-13952
>             Project: Spark
>          Issue Type: Bug
>          Components: ML
>            Reporter: Joseph K. Bradley
>            Assignee: Apache Spark
>            Priority: Minor
>
> SPARK-12379 copied the GBT implementation from spark.mllib to spark.ml.  There was one bug I found: The random seed is not used.  A reasonable fix will be to use the original seed to generate a new seed for each tree trained.



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