Used in the analysis of data, CHAID stands for chi-square automatic interaction detection. It identifies market segments that differ in response, screens out extraneous predictor variables and collapses the number of categories of explanatory variables.
Chi-squared Automatic Interaction Detection. A multivariate segmentation technique which splits up respondents into groups.
Chi-Square Automatic Interaction Detector, a type of tree analysis. Clustering: Profiling method in which you group segments of customers by age, SIC, geography, and other variables to create a profile of your largest customer segments.