In this recipe we will identify and select variables to include as model inputs using the CHAID node.
You will need a copy of Microsoft Excel to visualize and select the chi-square values for each variable.
This recipe uses the datafile
cup98lrn_reduced_vars3.sav and the stream
To identify and select variables to include as model inputs using the CHAID node:
variableselection_chaid.strby navigating to File | Open Stream and selecting the stream.
CHAID Types. Notice that there are several variables of type continuous ...