Chi-square automatic interaction detection: Difference between revisions

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added a reference to the seminal 1980 paper which introduced the concept, not sure why it was not there before
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'''CHAID''' is a technique that detects interaction between variables. It is used to identify discrete groups of consumer and predict how their responses to some variables affect other variables.
 
CHAID stands for ''CHi-squared Automatic Interaction Detector'':
*'''CH'''i-squared
*'''A'''utomatic