Skip to content

Classical machine learning

Decision trees and ensembles

A decision tree asks one yes-or-no question about one feature at a time. This topic grows trees, averages many of them into a random forest, and builds a boosted ensemble from small trees, each fitted to the errors left so far.

Lessons on this topic

Intermediate · 30 minYou are hereRead

Decision trees

A tree asks one yes-or-no question about one feature at a time, cutting the plane into boxes; each cut makes the boxes purer, and depth decides how far it chases noise.

Phasorium

Account

Sign inKeep your place on any device

Subjects

Site

Look