New York Times Data Team Using R & "Leo" Model for Senate Election Forecast: Overview (from R-Bloggers ) Nate Silver's departure to  relaunch FiveThirtyEight.com  left a bit of a hole at the  New York Times , which  The Upshot  — the new data journalism practice at the Times — seeks to fill. And they've gotten off to a great start with the new Senate forecasting model, called Leo . Leo was created by  Amanda Cox (longtime graphics editor at the NYT) and  Josh Katz  (creator of the Dialect Quiz), and uses a similar  poll-aggregation methodology  to that used by Silver. The model itself is implemented in the  R language , and the R code is  available for...