DM: RE: Classification Tree using Chi square

That's basically what CHAID does. See:

Kass (1980). An exploratory technique for investigating large quantities of
categorical data. Applied Statistics, 29(2), 119-127.

Biggs et al. (1991). A method of choosing multiway partitions for
classification and decision trees. Journal of Applied Statistics, 18: 49-62.

Magidson (1993). SPSS for Windows CHAID release 6.0 (software manual).

SPSS Inc. (1998). AnswerTree 2.0 User's Guide (software manual).

(To avoid any confusion, note that "Journal of Applied Statistics" and
"Applied Statistics" are two distinct journal titles.)

								--Clay

Clay Helberg                           http://www.execpc.com/~helberg/
SPSS Documentation                      chelberg@spss.com
Speaking only for myself....



-----Original Message-----
From: Mohamed A. Jeragh [mailto:maj@ecs.syr.edu]
Sent: Thursday, February 03, 2000 10:03 AM
To: datamine-l@nautilus-sys.com
Subject: DM: Classification Tree using Chi square


Can a classification tree be built using the Chi sqaure index? If so can
you please provide some sources?
Thanks in advance,
--MJ


SH

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