(University of Southern Denmark) Many birds choose partners for life -- it offers many advantages and often improves a couple's breeding output. New research reveals that for the common tern lifelong monogamy does not always lead to breeding success. Nevertheless, they don't split up.
Dan Kahan wrote: You should do a blog on this. I replied: I don’t like this article but I don’t really see the point in blogging on it. Why bother? Kahan: BECAUSE YOU REALLY NEVER HAVE EXPLAINED WHY. Gelman-Rubin criticque of BIC isShow More Summary
(DOE/Pacific Northwest National Laboratory) An analysis of the strongest tropical storms over the last half-century reveals that higher global temperatures have intensified the storms via enhanced rainfall. Rain that falls on the ocean reduces salinity and allows typhoons to grow stronger.
Shane Littrell writes: I’ve recently graduated with my Masters in Science in Research Psych but I’m currently trying to get better at my stats knowledge (in psychology, we tend to learn a dumbed down, “Stats for Dummies” version of things). Show More Summary
See a 2-sphere embedded in 4-space!
By folding fractals into 3-D objects, a mathematical duo hopes to gain new insight into simple equations.
Seven years ago I was contacted by Dawn Teele, who was then a graduate student and is now a professor of political science, and asked for my comments on an edited book she was preparing on social science experiments and their critics. Show More Summary
Yesterday I wrote about problems with the Electoral Integrity Project, a set of expert surveys that are intended to “evaluate the state of the world’s elections” but have some problems, notably rating more than half of the U.S. states in 2016 as having lower integrity than Cuba (!) and North Korea (!!!) in 2014. Show More Summary
Simon Gates writes: Where is an issue that has had a lot of publicity and Twittering in the clinical trials world recently. Many people are promoting the use of the “fragility index” (paper attached) to help interpretation of “significant” results from clinical trials. Show More Summary
This morning I posted a criticism of the Electoral Integrity Project, a survey organized by Pippa Norris and others to assess elections around the world. Norris sent me a long response which I am posting below as is. I also invited Andrew Reynolds, the author of the controversial op-ed, to contribute to the discussion. Show More Summary
Nick Stevenson directed me to a recent op-ed in the Raleigh News & Observer, where political science professor Andrew Reynolds wrote: In 2005, in the midst of a career of traveling around the world to help set up elections in some of the most challenging places on earth... Show More Summary
We know that the much-discussed increase in mortality among middle-aged U.S. whites is mostly happening among women in the south. In response to some of that discussion, Tim Worstall wrote: I [Worstall] have a speculative answer. It is absolutely speculative: but it is also checkable to some extent. Show More Summary
Stan 2.14 is out and it fixes the sampler bug in Stan versions 2.10 through 2.13. Critical update It’s critical to update to Stan 2.14. See: RStan 2.14.1 PyStan 220.127.116.11 CmdStan 2.14.0 The other interfaces will update when you udpate CmdStan. Show More Summary
My introductory textbook Basic Category Theory is now available free online.
In our discussion of research on the possible health benefits of a low-oxygen environment, Raghu wrote: This whole idea (low oxygen -> lower cancer risk) seems like a very straightforward thing to test in animals, which one can move to high and low oxygen environments... Show More Summary
Because prime numbers didn't let us down this year. -- Read more on ScientificAmerican.com
Kieran Healy and Laurie Paul wrote a new article, “Transformative Treatments,” (see also here) which reminds me a bit of my article with Guido, “Why ask why? Forward causal inference and reverse causal questions.” Healy and Paul’s article...Show More Summary
NSA suspends its Mathematical Sciences Program. Fewer moral dilemmas for mathematicians.
All train lines lead to Paris -- Read more on ScientificAmerican.com
In my previous post, I wrote: Kevin Lewis and Paul Alper send me so much material, I think they need their own blogs. It turns out that Lewis does have his own blog. His latest entry contains a bunch of links, starting with this one:...Show More Summary