Displaying 1 result from an estimated 1 matches for "contraceptivechoice".
2013 Oct 16
1
Extract a predictors form constparty object (CHAID output) in R
...names of those variable that were shown
to be relevant in the chaid() results.
The chaid() output is in the form of a constparty object. My question
is how to extract the variable names associated 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 +...