Search Quality: Precision@k, Recall@k & Hit Rate
All lessons
- Search Quality: Precision@k, Recall@k & Hit RateFree
- Mean Reciprocal Rank: How Soon Is the First Good Answer? Pro
- NDCG@k: Graded Relevance and the Ideal Ranking Pro
- Average Precision & MAP: Rewarding Good Order Pro
- Thresholds, the ROC Curve & AUC by Trapezoids Pro
- Calibration: Does 90% Confident Mean 90% Correct? Pro
- LLM-as-a-Judge: Percent Agreement & Cohen's Kappa Pro
- A/B Testing Two Models: Win Rate, Ties & a Confidence Interval Pro
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