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CHAID: Stata module to conduct chi-square automated interaction detection


  • Joseph N. Luchman

    () (Fors Marsh Group LLC)


Implements the CHAID (Chi-square automated interaction detection; Kass, 1980; Applied Statistics) and exhaustive CHAID (Biggs et al., 1991; Journal of Applied Statistics) algorithm for uncovering relationships in the data in the form of a decision tree as well as for clustering observations.

Suggested Citation

  • Joseph N. Luchman, 2013. "CHAID: Stata module to conduct chi-square automated interaction detection," Statistical Software Components S457752, Boston College Department of Economics, revised 15 Feb 2015.
  • Handle: RePEc:boc:bocode:s457752
    Note: This module should be installed from within Stata by typing "ssc install chaid". Windows users should not attempt to download these files with a web browser.

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