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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2014/09/17 20:32:33 UTC

[jira] [Updated] (SPARK-3568) Add metrics for ranking algorithms

     [ https://issues.apache.org/jira/browse/SPARK-3568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiangrui Meng updated SPARK-3568:
---------------------------------
    Assignee: Shuo Xiang

> Add metrics for ranking algorithms
> ----------------------------------
>
>                 Key: SPARK-3568
>                 URL: https://issues.apache.org/jira/browse/SPARK-3568
>             Project: Spark
>          Issue Type: New Feature
>          Components: ML, MLlib
>            Reporter: Shuo Xiang
>            Assignee: Shuo Xiang
>
> Include widely-used metrics for ranking algorithms, including:
>  - Mean Average Precision
>  - Precision@n: top-n precision
>  - Discounted cumulative gain (DCG) and NDCG 



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