For Sylvia Serfaty, mathematics is all about truth and beauty and building scientific and human connections.
Looking for Rigor in All the Wrong Places What do the following ideas and practices have in common: unbiased estimation, statistical significance, insistence on random sampling, and avoidance of prior information? All have been embraced as ways of enforcing rigor but all have backfired and led to sloppy analyses and erroneous inferences. Show More Summary
(University of Tsukuba) University of Tsukuba researchers developed an approach to measure the amount of active drag from the water to which swimmers are subjected. The approach involves connecting swimmers in a water flume to load cells in front of and behind them, to characterize the forward and backward forces they exert at different flow rates. Show More Summary
I happened to come across this article and it reminded me of the general point that it’s possible to behave unethically without being a “bad guy.” The story in question involves some scientists who did some experiments about thirty years ago on the biological effects of low-frequency magnetic fields. Show More Summary
My talk this Thursday at CDC, Tuesday, February 21, 2017, 12:00 noon, 2400 Century Center, Room 1015C: Should the Problems with Polls Make Us Worry about the Quality of Health Surveys? Response rates in public opinion polls have been steadily declining for more than half a century and are currently heading toward the 0% mark. Show More Summary
X pointed me to this news article reporting an increase in death rate among young adults in the United States: Selon une enquête publiée le 26 janvier par la revue scientifique The Lancet, le taux de mortalité des jeunes Américains âgés...Show More Summary
I was just needing this. Then, lo and behold, I found it on the web. It’s credited to Stan Development Team but I assume it was written by Ben and Jonah. Good to have this all in one place. The post Accessing the contents of a stanfit object appeared first on Statistical Modeling, Causal Inference, and Social Science.
Contemplating communication with Claude Shannon -- Read more on ScientificAmerican.com
Nathan Sanders writes: A few years ago, you were kind enough to post a notice on your blog about our science communication conference by grad students, for grad students (ComSciCon). I thought I’d let you know that our program has been...Show More Summary
Javier Benitez writes: This is a paragraph from Kathryn Montgomery’s book, How Doctors Think: If medicine were practiced as if it were a science, even a probabilistic science, my daughter’s breast cancer might never have been diagnosed in time. Show More Summary
(Brown University) At a talk and panel discussion in Boston the morning of Feb. 19, Brown University biostatistician Constantine Gatsonis will discuss how big trials help us make sense of our many questions about cancer screening.
(Georgetown University Medical Center) Can statistics increase the value of science to society? Georgetown University's Rochelle Tractenberg, chair of the Committee on Professional Ethics of the American Statistical Association, will...Show More Summary
1. The pizzagate story (of Brian Wansink is a Cornell University business school professor and self-described “world-renowned eating behavior expert for over 25 years”) keeps developing. Last week someone forwarded me an email from the deputy dean of the Cornell business school regarding concerns about some of Wansink’s work. Show More Summary
An expository account of Beck's "Distributive Laws" paper written for the Kan Extension Seminar
(ETH Zurich/Swiss Federal Institute of Technology) Society faces enormous challenges in constructing high-quality, future-oriented built environments. Construction sites today look much like the building sites did at the beginning of the 20th century. Show More Summary
Jeremy Neufeld writes: I’m an undergraduate student at the University of Maryland and I was recently referred to this paper (Vine Regression, by Roger Cooke, Harry Joe, and Bo Chang), also an accompanying summary blog post by the main author) as potentially useful in policy analysis. Show More Summary
Daniel writes: Krzysztof Sakrejda is giving a cool talk next Tues 5:30-7pm downtown on a survival model for Dengue infection using Stan. If you’re interested, please register asap. Google is asking for the names for security by tomorrow...Show More Summary
Jutta von Maurice of the Leibniz Institute for Educational Trajectories in Germany writes: In August this year, we plan to hold a user workshop in New York. We have data on educational processes and competence development from early childhood till late adulthood (n=60.000) and these data might be of special interest for international comparisons. Show More Summary
Aaron Haslam writes: I have a question regarding combining the estimates from multiply imputed datasets. In the third addition of BDA on the top of page 452, you mention that with Bayesian analyses all you have to do is mix together the simulations. Show More Summary
(International Institute for Applied Systems Analysis) The global commodity trade is a complex system where its network structure, which may arise from bilateral and multilateral agreements, affects its growth and resilience. At time of economic shocks, redundancy in this system is vital to the resilience of growth.