Probability and Statistics for Programmers .Think Stats Probability and Statistics for Programmers Version Allen B. Downey Green Tea Press Needham, Massachusetts .Green Tea Press 9 Washburn Ave Needham MA 02492 Permission is granted to copy, distribute, and/or modify this document under the terms of the Creative Commons Attribution-NonCommercial Unported License, which is available at . Preface Why I wrote this book Think Stats: Probability and Statistics for Programmers is a textbook for a new kind of introductory prob-stat class. It emphasizes the use of statistics to explore large datasets. It takes a computational approach, which has several advantages: • Students write programs as a way of developing and.