Contents
1 Introduction 1
11 What Is Data Mining? 4
12 Motivating Challenges 5
13 The Origins of Data Mining 7
14 Data Mining Tasks 9
15 Scope and Organization of the Book 13
16 Bibliographic Notes 15
17 Exercises 21
2 Data 23
21 Types of Data 26
211 Attributes and Measurement 27
212 Types of Data Sets 34
22 Data Quality 42
221 Measurement and Data Collection Issues 42
222 Issues Related to Applications 49
23 Data Preprocessing 50
231 Aggregation 51
232 Sampling 52
233 Dimensionality Reduction 56