= Chi-square automatic interaction detection
{wiki=Chi-square_automatic_interaction_detection}
Chi-square Automatic Interaction Detection (CHAID) is a statistical technique used for segmenting a dataset into distinct groups based on the relationships between variables. It is particularly useful in exploratory data analysis, market research, and predictive modeling. CHAID is a type of decision tree methodology that utilizes the Chi-square test to determine the optimal way to split a dataset into categories.
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