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https://issues.apache.org/jira/browse/SPARK-13322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15166883#comment-15166883
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Apache Spark commented on SPARK-13322:
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User 'yanboliang' has created a pull request for this issue:
https://github.com/apache/spark/pull/11365
> AFTSurvivalRegression should support feature standardization
> ------------------------------------------------------------
>
> Key: SPARK-13322
> URL: https://issues.apache.org/jira/browse/SPARK-13322
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Reporter: Yanbo Liang
> Assignee: Yanbo Liang
>
> This bug is reported by Stuti Awasthi.
> https://www.mail-archive.com/[email protected]/msg45643.html
> The lossSum has possibility of infinity because we do not standardize the
> feature before fitting model, we should support feature standardization.
> Another benefit is that standardization will improve the convergence rate.
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