Masahiro Kazama created SPARK-26981: ---------------------------------------
Summary: 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 Add 'Recall_at_k' metric to RankingMetrics. Recall_at_k is often used for evaluating ranking models, especially for recommendation system. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org