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  1. Spark
  2. SPARK-26981

Add 'Recall_at_k' metric to RankingMetrics

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    Details

    • Type: New Feature
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 2.4.0
    • Fix Version/s: 3.0.0
    • Component/s: MLlib
    • Labels:
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      Description

      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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              • Assignee:
                masa3141 Masahiro Kazama
                Reporter:
                masa3141 Masahiro Kazama
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