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Posted to issues@spark.apache.org by "Pham Nguyen Tuan Anh (JIRA)" <ji...@apache.org> on 2019/04/22 10:18:00 UTC

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

Pham Nguyen Tuan Anh created SPARK-27540:
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             Summary: 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


Sometimes, we only focus on MAP of top-k results.

This ticket adds MAP@k to RankingMetrics, besides existing MAP.



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