SI-CHAID

SI-CHAID is a commercial software package developed by Statistical Innovations Inc. that creates and evaluates decision trees using the Chi-squared Automatic Interaction Detection (CHAID) algorithm. Originally introduced as an enhanced version of Gordon Kass’s 1980 statistical method, it serves as a highly visual data mining and segmentation tool widely utilized in direct marketing, customer profiling, and survey analysis. Core Functionality of the Algorithm

The underlying CHAID technique constructs non-binary, multi-way decision trees by evaluating relationships between a dependent (target) variable and various independent predictors. SI-CHAID® 4.0 – Statistical Innovations Europe