... Test Data Assign Cheat to “No”© Tan,Steinbach, Kumar Introduction to Data Mining 15 Decision Tree Classification TaskDecision Tree© Tan,Steinbach, Kumar Introduction to Data Mining 16 ... split?–Determine when to stop splitting Data Mining Classification: Basic Concepts, Decision Trees, and Model EvaluationLecture Notes for Chapter 4Introduction to Data Mining byTan, Steinbach, Kumar© ... the given data set is divided into training and test sets, with training set used to build the model and test set used to validate it.© Tan,Steinbach, Kumar Introduction to Data Mining 30...