The Q&A site for statistical analysis, data mining, data visualization, and everything else to do with data analysis has finally been launched. Please head over to stats.StackExchange.com and start asking and answering questions. Also, spread the word to everyone else who may be interested — work colleagues, students, etc. The more people who use the site, the better it will be. There are already 170 questions, 513 answers and 387 …