An Exploratory Technique for Investigating Large Quantities of Categorical Data

G. V. Kass

Journal of the Royal Statistical Society Series C, 1980, vol. 29, issue 2, 119-127

Abstract: The technique set out in the paper, chaid, is an offshoot of aid (Automatic Interaction Detection) designed for a categorized dependent variable. Some important modifications which are relevant to standard aid include: built‐in significance testing with the consequence of using the most significant predictor (rather than the most explanatory), multi‐way splits (in contrast to binary) and a new type of predictor which is especially useful in handling missing information.

Date: 1980
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