Gunbata Groun Content (6H) 。6.1 Basic Concepts 6.2 Decision Tree Induction .6.3 Bayes Classification Methods .6.4 Rule-Based Classification .6.5 Model Evaluation and Selection 6.6 Techniques to Improve Classification accuracy 2 Copyright 2019 by Xiaoyu Li.Content（6H）  6.1 Basic Concepts  6.2 Decision Tree Induction  6.3 Bayes Classification Methods  6.4 Rule-Based Classification  6.5 Model Evaluation and Selection  6.6 Techniques to Improve Classification Accuracy Copyright © 2019 by Xiaoyu Li. 2