Thursday, January 22, 2009

CHAID in Data Mining

Chi Square Automatic Interaction Detection. A decision tree technique used for classification of a dataset.

Provides a set of rules that you can apply to a new (unclassified) dataset to predict which records will have a given outcome.

Segments a dataset by using chi square tests to create multi-way splits. Preceded, and requires more data preparation than, CART.

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