TextBook

• Jiawei Han, Micheline Kamber, Jian Pei. Data Mining: Concepts and Techniques, 3rd ed., Morgan Kaufmann, 2012. ISBN 978-0-12-381479-1
  

• P. Tan, M. Steinbach and V. Kumar, Introduction to Data Mining, Pearson Education, 2006.ISBN 0-321-42052-7

Chapter 5