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Posted 8 days ago (via flowingdata.com)

Neural networks can feel like a black box, because, well, for most people…Tags: Google, neural network...

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Posted 9 days ago (via blog.computationalcomplexity.org)

On my discrete math final in Spring 2017 I had a question:
Prove that sqrt(2/3) is irrational.
A student emailed me the folloing (I paraphrase and am prob not as elegant or as long as he was)
Dr. Gasarch
I received only 2 points out of 20 on Problem 3 of the final- the one that asked us to prove that sqrt(2/3) is irrational. This was graded rather harshly, and the reason is endemic to the entire c...

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Posted 9 days ago (via flowingdata.com)

Step 1: Figure out why the outlier exists in the first place. Step 2: Choose from these visualization options to show the outlier.Tags: outlier...

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Posted 9 days ago (via andrewgelman.com)

Hey kids! Time to think about writing that statistics Ph.D. thesis. It would be great to write something on a cool applied project, but: (a) you might not be connected to a cool applied project, and you typically can’t do these on your own, you need collaborators who know what they’re doing and who care […]
The post Important statistical theory research project! Perfect for the ...

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Posted 9 days ago (via andrewgelman.com)

A topic that arises from time to time in Bayesian statistics is the desire of analysts to propagate information in one direction, with no backwash, as it were. But the logic of Bayesian inference doesn’t work that way. If A and B are two uncertain statements, and A tells you something about B, then learning […]
The post Information flows both ways (Martian conspiracy theory edition) ap...

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Posted 9 days ago (via andrewgelman.com)

After writing this post on an error in one of my published papers, I got to thinking about the general problem of mistakes in the scientific literature. Retraction is not a serious solution to the problem. And there are lots of people out there who simply refuse to admit, let alone correct, their published errors: […]
The post “Like a harbor clotted with sunken vessels” appeared ...

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Posted 10 days ago (via flowingdata.com)

I think it’s every statistician’s fantasy to crack open a lottery’s flaw using the numbers. No? Just me? Okay, whatever.Tags: lottery...

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Posted 11 days ago (via hilbertthm90.wordpress.com)

It’s probably not fair to spend years on this blog teaching writing and prose techniques and critiquing other novels without ever showing my own. Here’s the prologue from my newest book for your enjoyment. Specter of the Spheres Prologue Priestess Elienne squinted toward the southern horizon. The blood moon hung low, and time was short … Continue reading Specter of the Spheres:&#...

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Posted 11 days ago (via junkcharts.typepad.com)

Kaiser Fung, founder of Principal Analytics Prep, discusses the latest doping allegation leveled at a past winner of Tour de France. In his book Numbers Rule Your World, he describes the statistics behind anti-doping tests, and explains why most dopers can get away unscathed....

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Posted 11 days ago (via andrewgelman.com)

It’s in the Organizational Behavior Seminar, Wed 7 Mar at noon in room E247: Toward replicable research in the human sciences: How can we get from where we are, to where we want to be? We’ve heard a lot about the replication crisis in science. Now it’s time to consider solutions from several directions including […]
The post My talk this Wednesday at Stanford business schoo...