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Topic: Student Questions

Chaid: An A Priori Segmentation Technique?

Posted by guurt on 9/3/2013 at 9:57 AM ET 125 Points
Does CHAID modeling count as an a priori or as a post hoc segmentation technique?
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RESPONSES

  • Posted by Jay Hamilton-Roth on 9/3/2013 at 10:27 AM Accepted
    Post Hoc. Why do you ask?
  • Posted on 9/3/2013 at 6:09 PM Accepted
    Do you understand the terms?
  • Posted by Gary Bloomer on 9/3/2013 at 9:31 PM Accepted
    Because it's predictive in nature (based on and describing past instances), CHAID can logically only describe what may be, making it post hoc.
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