Monthly Archives: January 2013

paste0 is statistical computing's most influential contribution of the 21st century

The day I discovered paste0 I literally cried. No more paste(bla,bla, sep=""). While looking through code written by a student who did not know about paste0 I started pondering about how many person hours it has saved humanity. So typing sep="" takes … Continue reading

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Data supports claim that if Kobe stops ball hogging the Lakers will win more

The Lakers recently snapped a four game losing streak. In that game Kobe, the league leader in field goal attempts and missed shots, had a season low of 14 points but a season high of 14 assists. This makes sense … Continue reading

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Sunday data/statistics link roundup (1/27/2013)

Wisconsin is decoupling the education and degree granting components of education. This means if you take a MOOC like mine, Brian's or Roger's and there is an equivalent class to pass at Wisconsin, you can take the exam and get … Continue reading

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My advanced methods class is now being live-tweeted

A student in my class is going to be live-tweeting my (often silly/controversial) comments in the advanced/Ph.D. data analysis and methods class I'm teaching here at Hopkins. The hashtag is #jhsph753 and the class runs from 10:30am to 12:00PM EST. … Continue reading

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Why I disagree with Andrew Gelman's critique of my paper about the rate of false discoveries in the medical literature

With a colleague, I wrote a paper titled, "Empirical estimates suggest most published medical research is true"  which we quietly posted to ArXiv a few days ago. I posted to the ArXiv in the interest of open science and because … Continue reading

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Statisticians and computer scientists - if there is no code, there is no paper

I think it has been beat to death that the incentives in academia lean heavily toward producing papers and less toward producing/maintaining software. There are people that are way, way more knowledgeable than me about building and maintaining software. For … Continue reading

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Sunday data/statistics link roundup (1/20/2013)

This might be short. I have a couple of classes starting on Monday. The first is our Johns Hopkins Advanced Methods class. This is one of my favorite classes to teach, our Ph.D. students are pretty awesome and they always … Continue reading

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Comparing online and in-class outcomes

My colleague John McGready has just published a study he conducted comparing the outcomes of students in the online and in-class versions of his Statistical Reasoning in Public Health class that he teaches here in the fall. In this class the online … Continue reading

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Review of R Graphics Cookbook by Winston Chang

I just got a copy of Winston Chang's book R Graphics Cookbook, published by O'Reilly Media. This book follows now a series of O'Reilly books on R, including an R Cookbook. Winston Chang is a graduate student at Northwestern University but … Continue reading

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R package meme

I just got this from a former student who is working on a project with me: Awesome.    

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