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If you're new to the R language but keen to get started with linear modeling or logistic regression in the language, take a look at this "Introduction to R" PDF, by Princeton's Germán Rodríguez. (There's also a browsable HTML version.)

Who will win the SuperBowl this Sunday: Seattle or Denver? As pundits around the country weigh in with their predictions, you might want to check out the analysis from the New York Times' 4th Down Bot, which compares the coaches' calls on fourth down plays with what historical statistics and a point-forecasting model indicate would have been the ideal play.

"R has had a revolutionary effect on the way statistics are communicated." So says John Chambers: one of the members of the R-core team overseeing R; and co-inventor of the S language. In this interview with Trevor Hastie (his co-author on Statistical Models in S), John Chambers recounts his involvement in the birth of the S language in 1976, and how it evolved over the years to become the inspiration for the R language<

In 2012, filmmakers Sophie and Liberty took a canoe trip on the Shannon River in Ireland. You can see their approach to a fog-enshrouded island in the still frames at the start of this video, and then they encountered sometime breathtaking in motion:

Want to see how you can use a drag-and-drop user interface to run and share R code? Check out our webinar next Wednesday January 29 (hosted by Alteryx and Revolution Analytics): Creating Value That Scales with Revolution Analytics & Alteryx

RStudio's Hadley Wickham has just introduced a new package for filtering, selecting, restructuring and aggregating tabular data in R: the dplyr package. It's similar in concept to Hadley's original plyr package from 2009, but with several key improvements:

Choropleth maps are a popular way of representing spatial or geographic data, where a statistic of interest (say, income, voting results or crime rate) are color-coded by region.