This is a terrific resource for anyone interested in modern methods of data aggregation and statistics because it provides actual working code that you can copy and modify. You can get all the source files online from the author's web site. ( )

Amazing piece of work. Makes much sense of the power of software and algorithms in predicting customer preferences and behavior based on aggregate data. Very well done with concise examples in Python programming language. Entire book is quite focused on modern web sites and web technology. ( )