Back to the lesson libraryMECHANISM · 14 MIN
M07.8 CONNECT THE MECHANISM

Look inside the average score

A defect detector is 90% accurate and still misses half the defects. Count the four kinds of outcome, then choose a cutoff your inspectors can live with.

LESSON OVERVIEW14 min lesson

Lesson overview

A defect detector is 90% accurate and still misses half the defects. Count the four kinds of outcome, then choose a cutoff your inspectors can live with.

What you’ll explore

  • Use a confusion matrix, precision, recall, and threshold curves to judge a classifier, taking class balance and error costs into account.
GO TO THE SOURCE

Original explanations, connected to the research.

An Introduction to Statistical Learning — authors’ materials
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