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Posted 6 hours ago (via wdjoyner.wordpress.com)

Let be a graph with an edge orientation. This means that we are given , where V is the set of vertices and E a set of ordered pairs of distinct vertices representing the edges, and, for each edge an “orientation”. Simply put, an orientation on $latex Gamma$ is a list of length |E| consisting […]...

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Posted 6 hours ago (via andrewgelman.com)

Deborah Mayo points us to a post by Stephen Senn discussing various aspects of induction and statistics, including the famous example of estimating the probability the sun will rise tomorrow. Senn correctly slams a journalistic account of the math problem: The canonical example is to imagine that a precocious newborn observes his first sunset, and […]
The post “Why should anyone believ...

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Posted 20 hours ago (via flowingdata.com)

Maps are fun to look at and get easier to make every day, so there's a lot of them floating around in the world. But before you sit down to…Tags: data literacy...

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Posted 1 day ago (via blog.computationalcomplexity.org)

Tuesday I served my last day on two organizations, the ACM SIGACT Executive Committee and the CRA Board of Directors.
I spent ten years on the SIGACT (Special Interest Group on Algorithms and Computation Theory) EC, four years as vice-chair, three years as chair and three years as ex-chair, admittedly not so active those last three years. SIGACT is the main US academic organization for theoretical...

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Posted 1 day ago (via math-frolic.blogspot.com)

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Posted 1 day ago (via flowingdata.com)

From the Upshot, A Quick Puzzle to Test Your Problem Solving. Play it. Read the results. Learn.…Tags: bias, Upshot...

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Posted 1 day ago (via flowingdata.com)

The rarely used chart type for time series data is actually quite nice, once you get the hang of it.Tags: guide, horizon graph, prices...

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Posted 1 day ago (via feedproxy.google.com)

In the previous post, we have reviewed some posts in Math and Multimedia that discusses mathematics content. In this post, let us review some of the multimedia resources that had been posted in the first half of this year. This includes resources software, hardware, and videos. These multimedia resources can be used for teaching and learning […]Math and Multimedia - School math, multimedia,...

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Posted 1 day ago (via gottwurfelt.com)

I’m a little late to this, but Igor Pak has a list of combinatorics videos (of lectures and seminars) and an explanation of why you should watch them, why you should let people make videos of you, and so on. … Continue reading →...

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Posted 1 day ago (via andrewgelman.com)

Brian MacGillivray and Nick Pidgeon write: Daniel Gilbert maintains that people generally make bad decisions on risk issues, and suggests that communication strategies and education programmes would help (Nature 474, 275–277; 2011). This version of the deficit model pervades policy-making and branches of the social sciences. In this model, conflicts between expert and public perceptions […...