Practice RAG Retrieval Metrics Offline — A Tiny Stdlib Eval Loop (Synthetic Data)
This story is from 2026-09-14. It is preserved in the archive; the latest stories are on the live feed.
If you are learning RAG, you eventually hit the same wall: “I can chat with my docs… but I have no idea if retrieval is actually improving.” Most tutorials jump straight to embeddings, vector DBs, and LLM judges. That is fine for demos. It is a poor first step for understanding retrieval metrics ,…
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- 2026-09-14 14:53 · DEV Community — Machine Learning
Practice RAG Retrieval Metrics Offline — A Tiny Stdlib Eval Loop (Synthetic Data)