Short Answer

Why can two training examples produce 0% training error?

Question: Answer in one to three sentences using the source's explanation.

Sample answer: With only two examples, the learning algorithm can easily memorize both of them. It can therefore classify the training examples perfectly and obtain 0% training error.

Key points:

  • The training set is extremely small.
  • The algorithm can memorize both examples.
  • Memorization can yield 0% training error.

Rubric: The answer should state that a two-example training set is easy to memorize and connect memorization to zero training error.

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Updated 2026-07-20

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