RAG Metric Deck
Recall the purpose and evidence requirements of core RAG evaluation metrics.
Definition What does faithfulness measure? Whether answer claims are supported by the retrieved context. It is a grounding metric, not a guarantee that the retrieved context itself is current or complete. Common confusion Faithfulness vs. correctness Use both for high-stakes cases where sources can be stale or incomplete. Retrieval What does context precision protect against? Noisy retrieved chunks that distract or mislead the generator. High precision means the top-k context is focused on the user question. What does context recall protect against? Missing evidence the answer needs, such as exceptions, limits, or required conditions. Low recall can make a grounded…
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