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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2019/04/25 06:07:00 UTC

[jira] [Assigned] (SPARK-27540) Add 'meanAveragePrecision_at_k' metric to RankingMetrics

     [ https://issues.apache.org/jira/browse/SPARK-27540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-27540:
------------------------------------

    Assignee: Apache Spark

> Add 'meanAveragePrecision_at_k' metric to RankingMetrics
> --------------------------------------------------------
>
>                 Key: SPARK-27540
>                 URL: https://issues.apache.org/jira/browse/SPARK-27540
>             Project: Spark
>          Issue Type: New Feature
>          Components: MLlib
>    Affects Versions: 2.4.1
>            Reporter: Pham Nguyen Tuan Anh
>            Assignee: Apache Spark
>            Priority: Minor
>
> Sometimes, we only focus on MAP of top-k results.
> This ticket adds MAP@k to RankingMetrics, besides existing MAP.



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