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AI ML>Recommendation Syste…>Evaluation

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Evaluation

26 terms

Evaluation Protocol

4 terms

Leave-One-Out Evaluation
Temporal Split
Negative Sampling for Evaluation
Sampled Metrics

Accuracy Metrics

8 terms

RMSE (RecSys)
MAE (RecSys)
Precision@k
Recall@k
Hit Rate
Mean Reciprocal Rank (MRR)
MAP (RecSys)
NDCG

Beyond-Accuracy Metrics

4 terms

Coverage
Diversity Metric
Novelty
Serendipity

Online Metrics & Experimentation

5 terms

Click-Through Rate (CTR)
Conversion Rate
Dwell Time
User Engagement Metric
Interleaving

Counterfactual & Off-Policy Evaluation

5 terms

Counterfactual Evaluation
Propensity Score
Inverse Propensity Scoring (IPS)
Doubly Robust Estimation
Off-Policy Evaluation (RecSys)

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