Nicolas Op de Beeck
Na Chen
Jacob Davis
Arcelio E. Perez
Gareth James, Daniela Witten, Trevor Hastie, Robert Tibshirani. An Introduction to Statistical Learning : with Applications in R. New York:Springer, 2013.
Chapter 10 - Unsupervised Learning
1) Lab 1 - Principal Component Analysis (Page 401)
2) Applied Exercise - 8 (Page 416)