Thomas J Welander wrote: > > Hey there, > I'm a CHAID user needing to evaluate what else is available in the > current crop of decision tree software. I like CHAID and don't have any > big desire to switch; the company needs me to do a routine software > evaluation. > > We primarily use CHAID for customer sat. applications, namely, examining > customer service attributes in survey data to see what predicts > satisfaction, customer loyalty, and value. For these purposes, the > important features of CHAID are 1) its ability to compare predictors of > mixed data types (nominal to ratio), 2) the predictor list output, and 3) > segmentation tree output. > > I'm mainly looking for testimonials from users of CHAID and its > alternatives. Also, any and all mentions of program names and other > places to find advice would be appreciated. And please steer me toward > the archives if y'all have covered this topic previously. > > I recognize some of your names from lurking sproradically in the past & > look forward to getting acquainted. > > Thanks, > Tom Welander > Elrick & Lavidge > Atlanta

Answer Tree is said to be the newly released SPSS alternative to CHAID. In fact, the CHAID chi-square-based method is but one of the approaches available with Answer Tree. But I haven't tasted it yet.

Hector Maletta Universidad del Salvador Buenos Aires, Argentina