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https://issues.apache.org/jira/browse/SPARK-13322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yanbo Liang updated SPARK-13322:
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Description:
This bug is reported by Stuti Awasthi.
https://www.mail-archive.com/user@spark.apache.org/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.
was:
This bug is reported by Stuti Awasthi.
https://www.mail-archive.com/user@spark.apache.org/msg45643.html
The lossSum has possibility of infinity because we do not standardize the
feature before fitting model, we should support feature standardization.
> AFTSurvivalRegression should support feature standardization
> ------------------------------------------------------------
>
> Key: SPARK-13322
> URL: https://issues.apache.org/jira/browse/SPARK-13322
> Project: Spark
> Issue Type: Bug
> Components: ML
> Reporter: Yanbo Liang
>
> This bug is reported by Stuti Awasthi.
> https://www.mail-archive.com/user@spark.apache.org/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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