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Short Answer

What is the denominator used when calculating Precision?

Question: In one to three sentences, state what set of images forms the denominator when calculating the Precision of a cat classifier.

Sample answer: The denominator is the total number of images in the dev or test set that the classifier labeled as cats, regardless of whether that label was correct.

Key points:

  • Denominator is images labeled as cats by the classifier
  • Not all images in the dev or test set
  • Includes both correctly and incorrectly labeled cat images

Rubric: Full credit for identifying the denominator as all images labeled as cats by the classifier, not all images in the dataset.

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Updated 2026-07-10

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