Blog Archives

DotCity: a game written in R? and other statistical computer games?

June 28, 2015
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DotCity: a game written in R? and other statistical computer games?

A while back I recommended Nathan Uyttendaele’s beginner’s guide to speeding up R code. I’ve just heard about Nathan’s computer game project, DotCity. It sounds like a statistician’s minimalist take on SimCity, with a special focus on demographic shifts in … Continue reading →

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Reader Morghulis

April 7, 2015
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Reader Morghulis

TL;DR: Memento mori. After reading too much Seneca, I’m meditating on death like a statistician, by counting how many of GRRM’s readers did not even survive to see the HBO show (much less the end of the book series). Rough … Continue reading →

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Small Area Estimation 101: old materials posted

April 3, 2015
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Small Area Estimation 101: old materials posted

I never got around to polishing my Small Area Estimation (SAE) “101” tutorial materials that I promised a while ago. So here they are, though still unedited and not as clean / self-explanatory as I’d like. The slides introduce a … Continue reading →

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Very gentle resource for speeding up R code

March 5, 2015
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Very gentle resource for speeding up R code

Nathan Uyttendaele has written a great beginner’s guide to speeding up your R code. Abstract: Most calculations performed by the average R user are unremarkable in the sense that nowadays, any computer can crush the related code in a matter … Continue reading →

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Reproducible research, training wheels, and knitr

February 15, 2014
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Reproducible research, training wheels, and knitr

Last week I gave a short talk at CMU’s statistical computing seminar, Stat Bytes. I summarized why reproducible research (RR) and literate programming are worthwhile, not just for serious research but also for homework reports or statistical blog posts. I … Continue reading →

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After 1st semester of Statistics PhD program

February 9, 2014
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After 1st semester of Statistics PhD program

Have you ever wondered whether the first semester of a PhD is really all that busy? My complete lack of posts last fall should prove it Some thoughts on the Fall term, now that Spring is well under way: The … Continue reading →

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audiolyzR: Data sonification with R

January 13, 2013
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audiolyzR: Data sonification with R

In his talk “Give Your Data A Listen” at last summer’s useR! 2012 conference, Eric Stone presented joint work with Jesse Garrison on audiolyzR, an R package for “data sonification.” I thought this was a nifty and well-executed idea. Since I haven’t seen … Continue reading →

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DC R Meetup: “Analyze US Government Survey Data with R”

January 10, 2013
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DC R Meetup: “Analyze US Government Survey Data with R”

I really enjoyed tonight’s DC R Meetup, presented by the prolific Anthony Damico. I’ve met Anthony before to discuss whether the Census Bureau could either… publish R-readable … Continue reading →

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Animated map of 2012 US election campaigning, with R and ffmpeg

October 28, 2012
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(Video link here, in case the embedded player doesn’t work for you.) Idea: see if I can mimic the idea behind Ben Schmidt’s lovely video of ocean shipping routes, and apply it to another dataset. But which? “Hmm… what’s another … Continue reading →

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Javascript and D3 for R users, part 2: running off the R server instead of Python

October 26, 2012
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Thank you all for the positive responses to Basics of JavaScript and D3 for R Users! Quick update: last time we had to dabble in a tiny bit of Python to start a local server, in order to actually run JavaScript … Continue reading →

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