Chunk #16 — The Methods — How Do Classification and Regression Trees Work?

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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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The rationale of classification trees will be explained in more detail by means of a simple psychological example: Inspired by the study of Kitsantas et al. (2007) on determinants of adolescent smoking habits, an artificial data set was generated for illustrating variable and split selection in recursive partitioning.