Handling the no-answer case
The hardest behaviour to get is a clean "I don’t know". Make it an explicit, allowed output instead of the model’s last resort.
- 22m
- Advanced
Video by MartinHanderPhD · YouTube
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3 questions. Unlocks when you finish the video.
Overview
What this lesson covers
- Detect when retrieval returned nothing relevant
- Make abstaining an explicit, acceptable outcome
- Offer a next step instead of a dead end
This lesson sits in Grounded Generation, part of Retrieval-Augmented Generation from Scratch. It assumes what came before it and leads directly into the next lesson in the module.
In this lesson you will:
- Detect when retrieval returned nothing relevant
- Make abstaining an explicit, acceptable outcome
- Offer a next step instead of a dead end
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