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Posted to issues@spark.apache.org by "Joseph K. Bradley (JIRA)" <ji...@apache.org> on 2015/08/13 18:18:45 UTC
[jira] [Resolved] (SPARK-9073) spark.ml Models copy() should call
setParent when there is a parent
[ https://issues.apache.org/jira/browse/SPARK-9073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joseph K. Bradley resolved SPARK-9073.
--------------------------------------
Resolution: Fixed
Fix Version/s: 1.5.0
Issue resolved by pull request 7447
[https://github.com/apache/spark/pull/7447]
> spark.ml Models copy() should call setParent when there is a parent
> -------------------------------------------------------------------
>
> Key: SPARK-9073
> URL: https://issues.apache.org/jira/browse/SPARK-9073
> Project: Spark
> Issue Type: Bug
> Components: ML
> Affects Versions: 1.5.0
> Reporter: Joseph K. Bradley
> Assignee: Kai Sasaki
> Priority: Minor
> Fix For: 1.5.0
>
>
> Examples with this mistake include:
> * [https://github.com/apache/spark/blob/9716a727fb2d11380794549039e12e53c771e120/mllib/src/main/scala/org/apache/spark/ml/classification/DecisionTreeClassifier.scala#L119]
> * [https://github.com/apache/spark/blob/9716a727fb2d11380794549039e12e53c771e120/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala#L220]
> Whomever writes a PR for this JIRA should check all spark.ml Model's copy() methods and set copy's {{Model.parent}} when available. Also verify in unit tests (possibly in a standard method checking Models to share code).
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