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A Basic Introduction to CHAID - Decision Support
www.smartdrill.com1 A Basic Introduction to CHAID CHAID, or Chi-square Automatic Interaction Detection, is a Classification Tree technique that not only evaluates complex interactions among predictors, but also displays the modeling results in an easy-to-interpret tree diagram.
The HPSPLIT Procedure - SAS
support.sas.combecause the model is expressed as a series of if-then statements. The predictor variables for tree models can be categorical or continuous. The model is based on a partition ... residual sum of squares) and criteria based on statistical tests (chi-square, F test, CHAID, FastCHAID) provides a computationally efficient strategy for generating ...