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Andrew Gelman

Affiliation: Columbia University

Andrew Gelman is a professor of statistics and political science and director of the Applied Statistics Center at Columbia University. He has received the Outstanding Statistical Application award from the American Statistical Association, the award for best article published in the American Political Science Review, and the Council of Presidents of Statistical Societies award for outstanding contributions by a person under the age of 40.

His books include Bayesian Data Analysis (with John Carlin, Hal Stern, and Don Rubin), Teaching Statistics: A Bag of Tricks (with Deb Nolan), Data Analysis Using Regression and Multilevel/Hierarchical Models (with Jennifer Hill), and, most recently, Red State, Blue State, Rich State, Poor State: Why Americans Vote the Way They Do (with David Park, Boris Shor, Joe Bafumi, and Jeronimo Cortina).

Andrew has done research on a wide range of topics, including: why it is rational to vote; why campaign polls are so variable when elections are so predictable; why redistricting is good for democracy; reversals of death sentences; police stops in New York City, the statistical challenges of estimating small effects; the probability that your vote will be decisive; seats and votes in Congress; social network structure; arsenic in Bangladesh; radon in your basement; toxicology; medical imaging; and methods in surveys, experimental design, statistical inference, computation, and graphics.

Visit: Andrew Gelman's Website




Andrew Gelman's Latest Articles | 25

2010: What Happened?

Nov 5, 2010| 

A lot of people are asking, How could the voters have swung so much in two years? And, why didn’t Obama give Americans a better sense of his long-term economic... Read »

Are All Rich People Now Liberals?

Aug 12, 2010| 

So asks James Ledbetter in Slate. And the answer is . . . No! Here’s what happened in 2008: OK, that’s how people vote. How bout party identification... Read »

Forecasting Market Future

Apr 13, 2010| 

McKinsey had a great chart today: To explain the chart – the green are the predictions for the next year at various times in the past. The blue is the truth... Read »

What if Everything Happened According to Plan?

Mar 8, 2010| 

I had occasion to revisit this graph: And then, it suddenly struck me: what if everything had gone as planned? From the perspective of Obama’s reelection... Read »

Taxation Curves and Poverty Traps

Dec 30, 2009| 

Dan Lakeland has been thinking about taxation curves and the poverty trap. The short story goes as follows: a graduated tax rate reduces the incentive to increase... Read »

Who Supports Government Health Care?

Oct 12, 2009| 

Bear with me. I’ve got a lot of graphs here (made jointly with Daniel Lee). I’ll start with our main result. From the 2004 Annenberg surveys: Providing... Read »

One of Those Seemingly-Plausible Analyses that Could Just as Easily be Made in Exactly the Opposite Direction

Sep 29, 2009| 

Fivethirtyeight commenter TGGP links to a news article about zillionaire financier Peter Theil, who “predicted which firms would be bailed out based on whether... Read »

Generic House Polling Suggests the Republicans Could Regain the House in 2010

Sep 23, 2009| 

Under the heading, “Republicans not in a position to retake the House (yet),” Chris Bowers estimates that the Democrats have a 41.2%-37.7% lead in recent... Read »

To Have Private Highrise Buildings, do You Need a Politically-Connected “Master Planner”?

Sep 5, 2009| 

Tyler Cowen links to an article by economist Ed Glaeser on urban political activists Jane Jacobs and Robert Moses. Moses, who ran various NYC government commissions... Read »

Who Are the Liberal Democrats and the Conservative Republicans?

Aug 18, 2009| 

Daniel Lee and I made these graphs showing the income distribution of voters self-classified by ideology (liberal, moderate, or conservative) and party identification... Read »

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