Books



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digs
Permanent link - Posted 20 hours ago (via flowingdata.com)
Louisiana is quickly losing much of its coast to the Gulf of Mexico. ProPublica and The Lens just launched an …Tags: levees, Louisiana, ProPublica...
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digs
Permanent link - Posted 20 hours ago (via flowingdata.com)
Choropleth maps are useful to show values for areas on a map, but they can be limited. In contrast, dot density maps are sometimes better for showing distributions within regions.Tags: R...
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digs
Permanent link - Posted 20 hours ago (via andrewgelman.com)
This one from 1995 (with D. Stephen Voss and Gary King) was fun. For our “Why are American Presidential election campaign polls so variable when votes are so predictable?” project a few years earlier, Gary and I had analyzed individual-level survey responses from 60 pre-election polls that had been conducted by several different polling organizations. […] The post Pre-election su...
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digs
Permanent link - Posted 20 hours ago (via matheminutes.blogspot.com)
If you have been living on Planet Earth with an internet connection during the past month, then you can't fail to have noticed the precious bandwidth that has been devoted to streaming videos of people being soaked by a bucket of (allegedly) ice-cold water: The [insert chosen charity here] Ice-Bucket Challenge.Dubbia is for WaterIt is one of those extraordinary phenomena that transcends age, race,...
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digs
Permanent link - Posted 20 hours ago (via andrewgelman.com)
Neil Malhotra: I thought you might be interested in our paper [the paper is by Annie Franco, Neil Malhotra, and Gabor Simonovits, and the link is to a news article by Jeffrey Mervis], forthcoming in Science, about publication bias in the social sciences given your interest and work on research transparency. Basic summary: We examined […] The post When we talk about the “file drawer,...
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digs
Permanent link - Posted 1 day ago (via blog.computationalcomplexity.org)
Every paper has a story but Sunny Daniel's Arxiv paper from yesterday deserves a blog post. We begin in 1982 when Ravi Kannan proved that Σ2 (the problems computable in NP with an NP oracle) cannot have n2 size circuits. Kannan's result hold for nk-size circuits but for this story we'll keep it simple. Kannan had an ingeniously simple proof. By diagonalization you can create a language L in ...
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digs
Permanent link - Posted 1 day ago (via flowingdata.com)
The Global Terrorism Database, maintained by the University of Maryland, is an open source database that catalogs terrorism events since …Tags: Periscopic, terrorism...
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digs
Permanent link - Posted 1 day ago (via math-frolic.blogspot.com)
"Incompleteness is one of the most beautiful and profound proofs that I’ve ever seen. If you’re at all interested in mathematics, it’s something that’s worth taking the effort to understand."  -- Mark Chu-Carroll  Mark Chu-Carroll (of "Good Math, Bad Math") is in the process of re-posting his own splendid discussion/explanation of Gödelian Incompleteness this week. If it's a s...
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digs
Permanent link - Posted 1 day ago (via andrewgelman.com)
From 1994. I don’t have much to say about this one. The paper I was discussing (by Samuel Merrill) had already been accepted by the journal—I might even have been a referee, in which case the associate editor had decided to accept the paper over my objections—and the editor gave me the opportunity to publish […] The post Discussion of “A probabilistic model for the sp...
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digs
Permanent link - Posted 1 day ago (via andrewgelman.com)
This post is by Phil Price. Perhaps prompted by the ALS Ice Bucket Challenge, this infographic has been making the rounds: I think this is one of the worst I have ever seen. I don’t know where it came from, so I can’t give credit/blame where it’s due. Let’s put aside the numbers themselves – […] The post One of the worst infographics ever, but people don’t...
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