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https://issues.apache.org/jira/browse/SPARK-8518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14634291#comment-14634291
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Xiangrui Meng commented on SPARK-8518:
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[~yanboliang] Let's narrow the goal of this JIRA to the log-linear model. I
didn't know that it is the same as CoxPHModel. You mentioned that all the
models listed in your design doc are non-parametric, but log-linear model is
parametric. Could you update the design doc and move other models to a section
called "out of scope"? It is okay to keep the content, which we can refer to if
we want to implement more in the future. For the log-linear model, please list
the proposed public API and some analysis about its complexity.
[~meihuawu] You are definitely welcomed to contribute:) Because you are a
first-time MLlib contributor, I will let [~yanboliang] to the coding part and
you help review his design doc and pull request. Note that the goal is to
implement a version with minimal number of features. Other useful features
could come in follow-up PRs. Thanks!!
> Log-linear models for survival analysis
> ---------------------------------------
>
> Key: SPARK-8518
> URL: https://issues.apache.org/jira/browse/SPARK-8518
> Project: Spark
> Issue Type: New Feature
> Components: ML
> Reporter: Xiangrui Meng
> Assignee: Yanbo Liang
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> We want to add basic log-linear models for survival analysis. The
> implementation should match the result from R's survival package
> (http://cran.r-project.org/web/packages/survival/index.html).
> Design doc from [~yanboliang]:
> https://docs.google.com/document/d/1fLtB0sqg2HlfqdrJlNHPhpfXO0Zb2_avZrxiVoPEs0E/pub
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