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https://issues.apache.org/jira/browse/SPARK-27540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-27540:
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Assignee: (was: 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
> 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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