Short Answer

How does a classifier with high bias and high variance perform on the training and dev sets?

Question: According to Andrew Ng's Machine Learning Yearning, how does a classifier with both high bias and high variance perform on the training set compared to the dev set?

Sample answer: A classifier with both high bias and high variance performs poorly on the training set and performs even worse on the dev set.

Key points:

  • Performs poorly on the training set.
  • Performs even worse on the dev set.

Rubric: The answer should state that the classifier performs poorly on the training set and performs even worse on the dev set.

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Updated 2026-06-13

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