Controlling Leaks

Good psychics have a knack for getting their audience to reveal, unwittingly, information that can be turned around and used in a prediction.  Statisticians and data scientists fall prey to a related phenomenon, leakage, when they allow into their models highly predictive features that would…

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July 21: Statistics in Practice

In this week’s brief, a continuation of our “Statistical Thinking” series, we reflect on three “myths” in data science and statistics, and spotlight our ten-course Social Science Statistics certificate program. You can get started with either of these courses: Aug 7- Sep 4:  Survey Design and…

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Rare Event Syndrome

Statistical Thinking 1   Several years ago, an NPR reporter wanted a comment from me for his story about an unusual event: a woman had won a state lottery jackpot for a second time. Winning once was low enough odds, but winning twice?   The reporter found…

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