Chunk #100 — Further Application Examples — Model-Based Recursive Partitioning

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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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For a reaction time experiment, where the independent variable is sleep deprivation (subset of four exemplary subjects from the sleep-deprived group with measurements for the first 10 days of the study from Belenky, Wesensten, Thorne, Thomas, Sing, Redmond, Russo, and Balkin 2003), it is illustrated in Figure 9 that the effect of sleep deprivation on reaction time differs between subjects.