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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2019/03/06 14:30:00 UTC
[jira] [Resolved] (SPARK-26981) Add 'Recall_at_k' metric to
RankingMetrics
[ https://issues.apache.org/jira/browse/SPARK-26981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Owen resolved SPARK-26981.
-------------------------------
Resolution: Fixed
Fix Version/s: 3.0.0
Issue resolved by pull request 23881
[https://github.com/apache/spark/pull/23881]
> Add 'Recall_at_k' metric to RankingMetrics
> ------------------------------------------
>
> Key: SPARK-26981
> URL: https://issues.apache.org/jira/browse/SPARK-26981
> Project: Spark
> Issue Type: New Feature
> Components: MLlib
> Affects Versions: 2.4.0
> Reporter: Masahiro Kazama
> Assignee: Masahiro Kazama
> Priority: Minor
> Fix For: 3.0.0
>
>
> Add 'Recall_at_k' metric to RankingMetrics.
> Recall_at_k is often used for evaluating ranking models, especially for recommendation system.
>
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