Psychohistory, the imaginary scientific field created by Isaac Asimov in his "Foundation" series, may no longer be fiction:
Song Chaoming, for instance, is a researcher at Northeastern University in Boston. He is a physicist, but he moonlights as a social scientist. With that hat on he has devised an algorithm which can look at someone’s mobile-phone records and predict with an average of 93% accuracy where that person is at any moment of any day. Given most people’s regular habits (sleep, commute, work, commute, sleep), this might not seem too hard. What is impressive is that his accuracy was never lower than 80% for any of the 50,000 people he looked at.Full article at The Economist.
"Parting with treasure easier said than done: Churchgoers give far less than they think" is the latest feature article from the Association of Religion Data Archives, which "strives to democratize access to the best data on religion." The site includes a browsable archive of religious survey data, a quick statistical roundup, international religious profiles, feature articles on topics like the rise of Mormons, Muslims and nondenominational churches in the USA ("nondenominational and independent churches may now be considered the third largest religious group in the country...Only the Catholic Church and the Southern Baptist Convention are larger"), links to sources like the 2010 U.S. Religious Census, a Religion Research Hub (with tutorials and helpful advice on best practices when theorizing, conceptualizing and measuring religious behavior) and lots more.
A team of researchers at Iowa State University has found that a murder costs more than $17.25 Million to society. [via]
R is powerful, but tricky. RKWard is an UI that make R user friendly or, at least, make it more similar to SPSS or Stata. Screenshots!