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An Exploratory Technique for Investigating Large Quantities of Categorical Data

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  • G. V. Kass

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.

Suggested Citation

  • G. V. Kass, 1980. "An Exploratory Technique for Investigating Large Quantities of Categorical Data," Journal of the Royal Statistical Society Series C, Royal Statistical Society, vol. 29(2), pages 119-127, June.
    • Handle: RePEc:bla:jorssc:v:29:y:1980:i:2:p:119-127
    DOI: 10.2307/2986296
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