Many people have made significant contributions to make this book possible. I am grateful to Himesh Patel for his support and Rick Wicklin, Pat Berryman, Chris Noto and Debpriya Sarkar for their insightful technical review comments. I thank SAS Press Editor-in-Chief Julie Platt for the idea of writing shorter “Getting Started” books on complex topics. I thank John West, my editor and Shelley Sessoms, my acquisitions editor for their support, and Aimee Rodriguez for the design and marketing of this book.