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  • Splitting a Large Dev Set into a Manually Examined Subset and a Hands-Off Subset

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Using the Entire Dev Set as the Eyeball Dev Set When It Is Too Small to Split

If the dev set is not big enough to split, the entire dev set can be used as the Eyeball dev set for manual error analysis, model selection, and hyperparameter tuning.

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Updated 2026-07-20

Contributors are:

G
Gemini AI
🏆 4

Who are from:

G
Google
🏆 4

References


  • Machine Learning Yearning (Deeplearning.ai)

Tags

Machine Learning

Deep Learning

Supervised Learning

Dive into Deep Learning @ D2L

Data Science

Machine Learning Strategy

Machine Learning Yearning @ DeepLearning.AI

Related
  • Eyeball Dev Set

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  • Blackbox Dev Set

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  • Using the Entire Dev Set as the Eyeball Dev Set When It Is Too Small to Split

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  • Why explicitly divide a large dev set into examined and unexamined portions?

  • Does manual examination make one dev subset more prone to overfitting?

  • The unexamined dev subset can be used to tune _____.

  • Match each dev-set concept with its role or consequence.

  • Order the reasoning for handling a large dev set with many errors.

  • Explain how an explicit dev-set split exposes overfitting from manual error analysis.

  • How should a team handle about 1,000 errors in a 5,000-example dev set?

  • What distinct purpose does each portion of the split dev set serve?

  • Which development pattern signals overfitting to the manually inspected subset?

  • Should a dev set that is too small to divide still be split into two portions?

Learn After
  • What should you do when the dev set is too small to divide into separate subsets?

  • A dev set that is too small to split can still support all three named development activities.

  • If the dev set cannot be split, use the _____ dev set as the Eyeball dev set.

  • Match each source element to its role in the small-dev-set recommendation.

  • Order the reasoning for handling a dev set that may be too small to split.

  • Explain why an undivided small dev set can serve as the Eyeball dev set.

  • Decide how a team should use a dev set that is too small to divide.

  • Name the three uses of the entire dev set under the small-set recommendation.

  • Which development plan best follows the recommendation for an unsplittable dev set?

  • Using the full small dev set as an Eyeball dev set excludes hyperparameter tuning.

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