Analytics 201 builds on the intro material in 101, delving into a series of business and statistical issues facing BI teams and developers, plus offering some baseline data on industry benchmarks. For user acquisition teams, attribution best practices and challenges are covered, as well as the normal and social ROIs for the mainstream ad publishers. For analysts, there will be coverage of outlier analysis in the context of free-to-play games, as well as case studies of CRM cohort analysis. Then, there will be coverage of AB testing with WEKA systems as compared to regression modeling. Last for analysts is a breakdown of social network modeling, with industry benchmarks for the social impact expected by genre. Lastly is a section on case studies of funnels. Typically used by acquisition teams, these are also useful for developers focused on pathing, gameplay and fun.