In order to make machine learning ideas easy for techies, college students, and young managers to understand, we felt it would be a good idea to write this book especially for them. They had to comprehend the ideas underlying the machine learning software programs in addition to using them. Machine learning is finding more and more applications every day. Machine learning is finding applications in every aspect of life, from helping doctors diagnose patients to forecasting the real estate market, recommending products to consumers, and optimizing energy use to support Green Earth initiatives.