Machine Learning with SAS Viya

Chapter 7: Decision Trees: Improving the Model

Introduction

Improving a Decision Tree Model by Changing the Tree Structure Parameters

Demo 7.1: Improving a Decision Tree Model by Changing the Tree Structure Parameters

Improving a Decision Tree Model by Changing the Recursive Partitioning Parameters

Details: Recursive Partitioning

Model Studio: Split Criteria

Decision Tree Split Search

Handling Missing Values in Decision Trees

Details: Variable Importance Based on Gini Reduction

Demo 7.2: Improving a Decision Tree Model by Changing the Recursive Partitioning Parameters

Optimizing the Complexity of the Model

Pruning

Model Studio: Subtree Method

Regularize and Tune Hyperparameters

Model Studio: Autotuning

Demo 7.3: Improving a Decision Tree Model ...