Machine Learning/Measures and metricsAccuracy →Churn →Coherence →Coverage →Cross-Entropy →Diversity →Entropy →Hit Rate →Jaccard Similarity →Kullback-Leibler Divergence →Metrics For RS →Mutual Information →Novelty →Ranking Recommendation Metrics →Responsiveness →Serendipity →Similarity →Stability And Reliability →Statistical Distance →Topic Diversity →Unexpectedness →Utility →