Transcription of A Basic Introduction to CHAID - Decision Support
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A Basic Introduction to CHAID - Decision Support
1 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 "trunk" of the tree represents the total modeling database. CHAID then creates a first layer of "branches" by displaying values of the strongest predictor of the dependent variable. CHAID automatically determines how to group the values of this predictor into a manageable number of categories.
1 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.
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