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https://issues.apache.org/jira/browse/SPARK-6278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14356447#comment-14356447
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Apache Spark commented on SPARK-6278:
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User 'mengxr' has created a pull request for this issue:
https://github.com/apache/spark/pull/4978
> Mention the change of step size in the migration guide
> ------------------------------------------------------
>
> Key: SPARK-6278
> URL: https://issues.apache.org/jira/browse/SPARK-6278
> Project: Spark
> Issue Type: Documentation
> Components: Documentation, MLlib
> Affects Versions: 1.3.0
> Reporter: Xiangrui Meng
> Assignee: Xiangrui Meng
>
> We changed the objective from 1/n .. to 1/(2n) ... in 1.3, so using the same
> step size will lead to different results.
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