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Back to the lesson libraryMECHANISM · 12 MIN
M07.4 CONNECT THE MECHANISM

Split a dataset into simpler regions

Which free-trial users will pay? Grow a flowchart of yes-or-no questions from data, score each question by how well it sorts people, and stop before it memorizes.

LESSON OVERVIEW12 min lesson

Lesson overview

Which free-trial users will pay? Grow a flowchart of yes-or-no questions from data, score each question by how well it sorts people, and stop before it memorizes.

What you’ll explore

  • Decision trees make predictions through feature tests; split criteria, depth, leaf size, and pruning control how closely they fit the training data.
GO TO THE SOURCE

Original explanations, connected to the research.

An Introduction to Statistical Learning — authors’ materials
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