andrew_gelman_stats andrew_gelman_stats-2011 andrew_gelman_stats-2011-725 knowledge-graph by maker-knowledge-mining
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Introduction: Here and here , for example. I just hope they’re using our survey methods and aren’t trying to contact the zombies face-to-face!
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same-blog 1 1.0 725 andrew gelman stats-2011-05-21-People kept emailing me this one so I think I have to blog something
Introduction: Here and here , for example. I just hope they’re using our survey methods and aren’t trying to contact the zombies face-to-face!
2 0.18389535 1301 andrew gelman stats-2012-05-05-Related to z-statistics
Introduction: Pawel Sobkowicz writes: How many zombies do you know?’ Using indirect survey methods to measure alien attacks and outbreaks of the undead, Arxiv preprint arXiv:1003.6087, 2010 I hope you would find interesting the following paper, recently posted on arXiv: Aliens on Earth. Are reports of close encounters correct?, arXiv:1203.6805 This is soooooo much better than getting links to bad graphs or to papers on sex ratios!
3 0.18157525 761 andrew gelman stats-2011-06-13-A survey’s not a survey if they don’t tell you how they did it
Introduction: Since we’re on the topic of nonreplicable research . . . see here (link from here ) for a story of a survey that’s so bad that the people who did it won’t say how they did it. I know too many cases where people screwed up in a survey when they were actually trying to get the right answer, for me to trust any report of a survey that doesn’t say what they did. I’m reminded of this survey which may well have been based on a sample of size 6 (again, the people who did it refused to release any description of methodology).
4 0.15066504 1567 andrew gelman stats-2012-11-07-Election reports
Introduction: As you can see below, our post-election-day post is in the Zombies category. (I’d like to say this was deliberate counterprogramming, but actually I put in the queue last month, not realizing there would be anything special about the date.) So I’ve been posting election-related material at the sister blog. So far: Very first 2016 post Who won the election for Obama? Purple maps of the 2012 presidential election More to come.
5 0.14779155 2113 andrew gelman stats-2013-11-25-Postdoc position on psychometrics and network modeling
Introduction: Francis Tuerlinckx announces that he and Denny Borsboom have a joint postdoctoral position. It sounds really cool: The position is in the Research Group of Quantitative Psychology and Individual Differences at the University of Leuven (Belgium) and involves frequent travel to and contact with the Psychological Methods group in Amsterdam. The research of the postdoc will be part of a larger program aimed at developing and applying methods for network analysis in psychology and psychopathology (see a recent review on the topic: Borsboom & Cramer, 2013). The specific research topic will depend on the expertise and interest of the candidate, but will involve one or more of the following: Statistical methods for high dimensional data, multilevel modeling, or nonlinear dynamical models. Interested candidates are encouraged to contact Francis Tuerlinckx (francis.tuerlinckx@ppw.kuleuven.be) and Denny Borsboom (dennyborsboom@gmail.com) for more information. Review of applications will c
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16 0.085585698 854 andrew gelman stats-2011-08-15-A silly paper that tries to make fun of multilevel models
17 0.081624791 705 andrew gelman stats-2011-05-10-Some interesting unpublished ideas on survey weighting
18 0.080724828 1545 andrew gelman stats-2012-10-23-Two postdoc opportunities to work with our research group!! (apply by 15 Nov 2012)
19 0.077905662 2260 andrew gelman stats-2014-03-22-Postdoc at Rennes on multilevel missing data imputation
20 0.077465758 1329 andrew gelman stats-2012-05-18-Those mean psychologists, making fun of dodgy research!
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same-blog 1 0.98801392 725 andrew gelman stats-2011-05-21-People kept emailing me this one so I think I have to blog something
Introduction: Here and here , for example. I just hope they’re using our survey methods and aren’t trying to contact the zombies face-to-face!
2 0.80791789 761 andrew gelman stats-2011-06-13-A survey’s not a survey if they don’t tell you how they did it
Introduction: Since we’re on the topic of nonreplicable research . . . see here (link from here ) for a story of a survey that’s so bad that the people who did it won’t say how they did it. I know too many cases where people screwed up in a survey when they were actually trying to get the right answer, for me to trust any report of a survey that doesn’t say what they did. I’m reminded of this survey which may well have been based on a sample of size 6 (again, the people who did it refused to release any description of methodology).
3 0.79674393 705 andrew gelman stats-2011-05-10-Some interesting unpublished ideas on survey weighting
Introduction: A couple years ago we had an amazing all-star session at the Joint Statistical Meetings. The topic was new approaches to survey weighting (which is a mess , as I’m sure you’ve heard). Xiao-Li Meng recommended shrinking weights by taking them to a fractional power (such as square root) instead of trimming the extremes. Rod Little combined design-based and model-based survey inference. Michael Elliott used mixture models for complex survey design. And here’s my introduction to the session.
4 0.75541693 1371 andrew gelman stats-2012-06-07-Question 28 of my final exam for Design and Analysis of Sample Surveys
Introduction: This is it, the last question on the exam! 28. A telephone survey was conducted several years ago, asking people how often they were polled in the past year. I can’t recall the responses, but suppose that 40% of the respondents said they participated in zero surveys in the previous year, 30% said they participated in one survey, 15% said two surveys, 10% said three, and 5% said four. From this it is easy to estimate an average, but there is a worry that this survey will itself overrepresent survey participants and thus overestimate the rate at which the average person is surveyed. Come up with a procedure to use these data to get an improved estimate of the average number of surveys that a randomly-sampled American is polled in a year. Solution to question 27 From yesterday : 27. Which of the following problems were identified with the Burnham et al. survey of Iraq mortality? (Indicate all that apply.) (a) The survey used cluster sampling, which is inappropriate for estim
5 0.69725996 1430 andrew gelman stats-2012-07-26-Some thoughts on survey weighting
Introduction: From a comment I made in an email exchange: My work on survey adjustments has very much been inspired by the ideas of Rod Little. Much of my efforts have gone toward the goal of integrating hierarchical modeling (which is so helpful for small-area estimation) with post stratification (which adjusts for known differences between sample and population). In the surveys I’ve dealt with, nonresponse/nonavailability can be a big issue, and I’ve always tried to emphasize that (a) the probability of a person being included in the sample is just about never known, and (b) even if this probability were known, I’d rather know the empirical n/N than the probability p (which is only valid in expectation). Regarding nonparametric modeling: I haven’t done much of that (although I hope to at some point) but Rod and his students have. As I wrote in the first sentence of the above-linked paper, I do think the current theory and practice of survey weighting is a mess, in that much depends on so
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same-blog 1 0.96510255 725 andrew gelman stats-2011-05-21-People kept emailing me this one so I think I have to blog something
Introduction: Here and here , for example. I just hope they’re using our survey methods and aren’t trying to contact the zombies face-to-face!
Introduction: Our apartment is from earlier in the century, so I can’t give Tyler Cowen’s first answer , but, after that, I follow him in thinking of the several books I have from that decade. Beyond that, lemme think . . . We occasionally play Risk , and our set dates from the 50s. Some kitchen implements (a mixmaster, a couple of cookbooks, who knows which old bowls, forks, etc). Probably some of the furniture, although I don’t know which. Probably some of the items in our building (the boiler?) What else, I wonder? There are probably a few things I’m forgetting. 50-60 years is a long time, I guess. P.S. to the commenters: I’m taking the question to refer to things manufactured in the 1950s and not before!
3 0.92610991 1168 andrew gelman stats-2012-02-14-The tabloids strike again
Introduction: See comments #2,3,4 here . I guess that’s why Science and Nature are known as “the tabloids.” As the commenter writes, “you can’t have people look at too many images of maggot-infested wounds.”
4 0.92573893 1495 andrew gelman stats-2012-09-13-Win $5000 in the Economist’s data visualization competition
Introduction: Michael Nelson points me to this . OK, $5,000 isn’t a lot of money (I’m not expecting Niall Ferguson in the competition), but I’m still glad to see this, given that the Economist is known for its excellent graphics.
Introduction: See page 179 here for Gowa’s review from 1986. And here’s my version (from 2008).
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