Analytics
788 views

The Average Hotel Does Not Get The Average Rating

MichaelBerry - October 1, 2011

The millions of travelers who review hotels, restaurants, and other attractions on TripAdvisor also supply a numeric rating by clicking one of five circles ranging from 1…

Best Practices
2986 views

How to Calculate R-squared for a Decision Tree Model

MichaelBerry - March 22, 2011

A client recently wrote to us saying that she liked decision tree models, but for a model to be used at her bank, the risk compliance group…