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https://issues.apache.org/jira/browse/SPARK-10687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14936544#comment-14936544
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Yanbo Liang commented on SPARK-10687:
-------------------------------------

[~mengxr] Due to the Cox’s Proportional Hazard model is not easy to be 
implemented efficiently in Spark, I think the most common used non-parametric 
survival analysis model is Kaplan-Meier model. But it only give us an “average” 
view of the population rather than regression over covariates. I have update 
the design documents of SPARK-8518, please feel free to comment on the section 
of "Planning for the future". 

> Discuss nonparametric survival analysis model
> ---------------------------------------------
>
>                 Key: SPARK-10687
>                 URL: https://issues.apache.org/jira/browse/SPARK-10687
>             Project: Spark
>          Issue Type: Brainstorming
>          Components: ML
>            Reporter: Xiangrui Meng
>            Assignee: Xiangrui Meng
>
> Created this JIRA to discuss nonparametric survival models and feasibility to 
> implement them on Spark. Please also check the design doc posted on 
> SPARK-8518.



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