FLASH MOB #2 A SUCCESS R Flashmob #2 was a big success, increasing the number of R questions on stackoverflow.com drastically. Now’s a great opportunity to earn some “reputation” on stackoverflow.com by answering some questions tagged r. (Don’t know R yet? Learn by watching: R Video Tutorial 1, R Video Tutorial 2)
FLASH MOB #2 TO POPULATE STACKOVERFLOW.COM WITH R QUESTIONS >From: The R Flashmob Project >Subject: R Flashmob #2 > >You are invited to take part in R Flashmob, the project that makes the >world a better place by posting helpful questions and answers about the >R statistical language to the programmer’s Q & A site […]
PROBABILISTIC INFORMATION ON WHETHER YOUR FLIGHT WILL BE LATE DSN reader Yael sends along this NY Times InTransit piece on Flight Caster, a web site that uses historical data to generate probabilities that flights will be late. DSN likes the following things: The idea of FlightCaster The idea of ubiquitous probabilistic information in the age […]
DRIVEN TO DISTRACTION The headline E-mails ‘hurt IQ more than pot’ caught our attention here at DSN. Reading the article, we see that the study is not about intelligence as a trait being affected by internet interruptions. It simply uses an IQ test as a measure, we suppose, of being able to think clearly. In […]
USING GRAPHICAL DISPLAYS TO COMMUNICATE TERRORISM RISKS Jon Baron sent over this timely article http://news.bbc.co.uk/1/hi/magazine/8153539.stm I like the way the author suggests visual representations (as above) to make the point. That particular representation seems vaguely familiar. I wonder if the author knows there’s been quite a bit of research done on it. 1) Sedlmeier, P., & Gigerenzer, […]
INCENTIVES TO STATE PROBABILITIES OF BELIEF TRUTHFULLY We have all been there. You are running an experiment in which you would like participants to tell you what they believe. In particular, you’d like them to tell you what they believe to be the probability that an event will occur. Normally, you would ask them. But […]
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AND WHY ARE THERE MORE MEN THAN WOMEN IN WESTERN US CITIES? Since seeing this map, Decision Science News can’t quite figure it out. Why do the surpluses of men and women look as they do? What’s up with California? Source of map: http://creativeclass.com/whos_your_city/maps/#The_Singles_Map
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THE PROS AND CONS OF TEACHING HEURISTICS FOR STATISTICS All smart statisticians use rules of thumb. DSN has noticed that as soon as one statistician codifies or pronounces a rule of thumb, smart alecs come along with special cases that violates the rule thereby “proving” the rule and the person who articulated it “wrong”. (Smart […]
