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digs
Permanent link - Posted 7 days ago (via andrewgelman.com)
Do Statistical Methods Have an Expiration Date? Andrew Gelman, Department of Statistics and Department of Political Science, Columbia University There is a statistical crisis in the human sciences: many celebrated findings have failed to replicate, and careful analysis has revealed that many celebrated research projects were dead on arrival in the sense of never having […] The post Do Statis...
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digs
Permanent link - Posted 7 days ago (via andrewgelman.com)
Dan Kahan tells this story: Too much here to digest probably, but the common theme is—what if people start saying their work “replicates” or “fails to replicate” when the studies in question are massively underpowered &/or have significantly different design (& sample) from target study? 1. Kahan after discovering that authors claim my study “failed [...
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digs
Permanent link - Posted 8 days ago (via flowingdata.com)
This comic from Saturday Morning Breakfast Cereal speaks to me. You can quantify…Tags: humor, SMBC...
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digs
Permanent link - Posted 8 days ago (via flowingdata.com)
From Joshua Stevens at the NASA Earth Observatory: But over the longer term,…Tags: first leaf, global warming, NASA...
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digs
Permanent link - Posted 8 days ago (via rjlipton.wordpress.com)
It makes a fellow proud to be a nerd Tasmanian Archive source Tom Lehrer is Emeritus Lecturer in Mathematics at Cowell College of the University of Santa Cruz. He is listed not in the Mathematics Department but in Humanities, for which he also lectured on musical theater. He was my first witness that effective input […]...
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digs
Permanent link - Posted 8 days ago (via andrewgelman.com)
Shira Mitchell et al. write: The Millennium Villages Project (MVP) was a 10 year, multisector, rural development project, initiated in 2005, operating across ten sites in ten sub-Saharan African countries to achieve the Millennium Development Goals (MDGs). . . . In this endline evaluation of the MVP, we retrospectively selected comparison villages that best matched […] The post The Millenniu...
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Permanent link - Posted 8 days ago (via andrewgelman.com)
Tim Disher writes: I have been asked to run some regularized regressions on a small N high p situation, which for the primary outcome has lead to more realistic coefficient estimates and better performance on cv (yay!). Rstanarm made this process very easy for me so I am grateful for it. I have now been […] The post Fitting a hierarchical model without losing control appeared first on Statis...
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digs
Permanent link - Posted 9 days ago (via flowingdata.com)
Based on data gathered by the Lunar Reconnaissance Orbiter, NASA pieced together this…Tags: high resolution, moon, NASA, space...
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digs
Permanent link - Posted 9 days ago (via mathlesstraveled.com)
I recently learned from John Cook about a new paper by Javier Cilleruelo, Florian Luca, and Lewis Baxter proving that every positive integer can be written as a sum of three palindromes. A palindrome is a number that is the … Continue reading →...
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digs
Permanent link - Posted 9 days ago (via flowingdata.com)
Rafael Irizarry introduces the dslabs package for real-life datasets to teach data science:…Tags: R, teaching...
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