If you run an e-commerce site, blog or other web property there's a good chance you use Google Analytics to monitor traffic, look at visitor sources, and measure conversions. And while Google Analytics is quite powerful at looking at historic activity on your site, it lacks much in the way of predictive analytics. That's where R shines of course, and it's now quite easy to connect R to your Google Analytics account to make use of R's superior data visualization, forecasting, and other advanced analytics capabilities. Digital analytics expert Randy Zwitch explains how to use the rga package for R...