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- Cookbooks and constitutionsSlightly off-topic insights from Adam Gopnik: All this is true, and yet the real surprise of the cookbook, as of the constitution, is that it sometimes makes something better in the space between what's promised and what's made...Between the rule and the meal falls the ritual, and the real ritual of the recipe is like the ritual of the law; the rea […]
- Everything about causal inference in 40 pagesJudea Pearl describes his new article Causal inference in statistics: An Overview as "a recent submission to Statistics Survey which condenses everything I know about causality in only 40 pages." That seemed like a bold claim, but after reading it I'm sold. I don't come from Pearl's "camp" per se, but I found this a really […]
- (not) growing up to be a lawyerI went to law school before I ended up as a graduate student, so I read with some interest a recent essay by Vanderbilt Law Professor Herwig Schlunk entitled "Mamas, don't let your babies grow up to be...lawyers" (an online version is at the Wall Street Journal's Law Blog).
- breast cancer, rare diseases, and bayes rule, revisedHappy Thanksgiving! Last Thursday, I posted about the recent government recommendations regarding breast cancer screening in women ages 40-49. At least one of you wrote me to say that one of my calculations might have been slightly off (they were), and so I did some more investigation on this issue, as well as on new recommendations on cervical pap smears. ( […]
- Violations of SUTVANetwork methods and methods for causal inference are popular areas of research in social sciences. Often they are considered separately due to a fundamental difference in their basic assumptions. Network methods assume that individual units are interdependent, that one network member's actions have consequences for other members of the network. Methods […]
- Dynamic Panel ModelsI have been toying around with dynamic panel models from the econometrics literature and I have hit my head up against a key set of assertions. First, a quick setup. The idea with these models is that we have a set units which we measure at different points in time. For instance, perhaps we survey a group of people multiple times in the course of an election […]
- Greiner on "Exit Polling and Racial Bloc Voting"Please join us at the Applied Statistics workshop this Wednesday, November 18th at 12 noon when we will be happy to have Jim Greiner of the Harvard Law School presenting on "Exit Polling and Racial Bloc Voting: Combining Individual-Level and R x C Ecological Data." Jim has provided a companion paper with the following abstract: Despite its shortcom […]
- Choosing variances in general linear modelsToday I'm going to talk about a particular problem from my own research and will outline a method for choosing variances in general linear models (GLMs), but I am also asking a question.
- Bill Support by Page LengthThere was a lot of press on the 1,000+-page length of the House health care bill, H.R. 3962. That got me thinking... didn't we hear the same thing about the stimulus bill and the Patriot Act? Aren't most "controversial" bills also very long? It would make sense. Controversial bills require a lot more ink -- pork, special cases, exceptions […]
- Answering "why" questionsBrandon Stewart pointed me to an interesting blog post by Andrew Gelman that touches on the issue of explaining the "causes of effects." The basic point is that "why" questions are difficult to answer in a potential outcomes framework but often we really care about them. Some folks in political science have gone so far as to argue that re […]
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