Why is it helpful to inspect a small batch of validation errors?
Question: Answer in one to three sentences: What benefit comes from manually reviewing about 25 mistakes made by a classifier on validation examples?
Sample answer: That review begins to reveal the main patterns behind the model's failures. It gives a quick, rough picture of the most important error sources rather than a complete diagnosis.
Key points:
- Rough picture
- Main failure patterns
- About 25 reviewed mistakes
Rubric: The answer must state that reviewing about 25 mistakes begins to provide a rough sense of the main error sources.
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