Tipping heuristics

April 28, 2010 | dan

INCREDIBLY SIMPLE CALCULATIONS MADE SIMPLE Yes, we all know how to calculate 15% or 20% exactly, but it’s fun to use tipping heuristics and even more fun to make crowded graphs of how they compare to each other. (Sorry for the junky chart. Open for suggestions, in the words of Tom ... [Read more...]

Must-Have R Packages for Social Scientists

December 11, 2009 | Drew Conway

After recently having to think critically about the value of various R packages for social science research, I realized that others might find value in a post on “must-have” R packages for social scientists. After the immensely popular post on this topic for Python packages a follow-up seemed appropraite. If ...
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Score with scoring rules

July 21, 2009 | dan

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. ... [Read more...]

Sorry, you said you want a stats revolution?

February 23, 2009 | dan

ALL ABOUT REVOLUTION COMPUTING’S R DISTRIBUTION Decision Science News was intrigued by a company called REvolution Computing that got some attention of late for spinning their own mix of the R language for statistical computing and giving it away for free. So DSN asked to interview them to see ... [Read more...]

R video tutorial number 1

September 26, 2007 | dan

LEARN R BY JUST WATCHING For this week, Decision Science News has created a video tutorial on how to get started using the R Language for Statistical Computing. (The tutorial is best viewed in your browser’s full-screen mode, try pressing F11 in Windows). R is free and open source, ... [Read more...]
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