Chunk #44 — The Methods — How Do Classification and Regression Trees Work? — Prediction and Interpretation of Classification and Regression Trees

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An introduction to recursive partitioning: rationale, application, and characteristics of classification and regression trees, bagging, and random forests.

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In the original plot in Figure 1 on the other hand, the effect of alcohol_per_month is also different in both branches created by friends_smoke, because alcohol_per_month has an effect only in the right branch, but not in the left branch.