on 08/27/2008 09:26 AM David Cobey said the following:
    I'm interested in modifying a regression tree algorithm to use the
difference between a control and a dosed sample as its dependent variable.
I was wondering if anyone knew where I could find code to implement a basic
chaid algorithm.  Is it possible to access the code inside of R?  Is there
another place I can find the basic algorithm already coded.

don't know about your specific target, but as a general question of seeing the code: to see a function's code in R, just type its name at the prompt without parentheses - that will show the code, rather than invoke the function.

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