数据挖掘导论 第二版 Pang-Ning Tan 参考答案(英文).pdf

Introduction to Data Mining Instructor’s Solution Manual Pang-Ning Tan Michael Steinbach Anuj Karpatne Vipin Kumar Copyright ©2020 Pearson Education, Inc. All rights reserved. Contents 1 Introduction 1 2 Data 5 3 Classification: Basic Concepts and Techniques 19 4 Classification: Alternative Techniques 41 5 Association Analysis: Basic Concepts and Algorithms 65 6 Association Analysis: Advanced Concepts 91 7 Cluster Analysis: Basic Concepts and Algorithms 121 8 Cluster Analysis: Additional Issues and Algorithms 143 9 Anomaly Detection 153 10 Avoiding False Discoveries 161 iii 1 Introduction 1. Discuss whether or not each of the following activities is a data mining task. (a) Dividing the customers of a company according to their gender. No. This is a simple database query. (b) Dividing the customers of a company according to their prof- itability. No. This is an accounting calculation, followed by the applica- tion of a threshold. However, predicting the profitability of a new customer would be data mining. (c) Computing the total sales of a company. No. Again, this is simple accounting. (d) Sorting a student database based on student identification num- bers. No. Again, this is a simple database query. (e) Predicting the outcomes of tossing a (fair)