search for: husbands_educ

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2013 Oct 16
1
Extract a predictors form constparty object (CHAID output) in R
...ted with the nodes in such an object. Here is a self contained code example: library(evtree) # for the ContraceptiveChoice dataset library(CHAID) library(vcd) library(MASS) data("ContraceptiveChoice") longform <- formula(contraceptive_method_used ~ wifes_education + husbands_education + wifes_religion + wife_now_working + husbands_occupation + standard_of_living_index + media_exposure) z <- chaid(longform, data = ContraceptiveChoice) # plot(z) z # This is the part I want to do programatically shortform <- formula(contraceptive_method_used ~ wifes_edu...