Publications by Drew Conway
stalkR: R functions for exploring iPhone and iPad (OS X only)
Yesterday Alasdair Allan and Pete Warden shocked the world by revealing that iPhones and iPads have been keeping track of our every move, and saving the data in obfuscated back up files. As my friend Vince Buffalo mentioned on Twitter, part of me was disgusted by the secret stalking Steve Jobs was doing, but my data nerd side was floored by my s...
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A year of Chicago’s crime, in 30 seconds
Yesterday Brett Goldstein, the Chief Data Officer for the City of Chicago, announced on Twitter the release of Chicago’s crime data for the past year. The data is very detailed, and wonderful resource for criminologist and social scientists alike. I have been playing around with the data a bit, and have produced an animation that explores th...
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Clustering U.S. Senators using roll call voting data
For our forthcoming book on machine learning for hackers, John Myles White and I will discuss clustering, and various methods for doing so. One common method for clustering observations is multidimensional scaling (MDS). For those that are not familiar, MDS takes a matrix of distances, or similarity measures, among observations and assigns them...
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Create an animated clock in R with ggplot2 (and ffmpeg)
Because it’s Friday—and I needed to create this for a separate visualization—here is how to create an animated clock in R using ggplot2. In just about 20 lines of code! And here is the clock… I think this is a nifty way to show time elapse, rather than the www.drewconway.com/zia/?p=2741″ target=”_blank”>windowed timelines I had ...
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Code for Machine Learning for Hackers
With the release of the eBook version of Machine Learning for Hackers this week, many people have been asking for the code. With good reason—as it turns out—because O’Reilly still (at the time of this writing) has not updated the book page to include a link to the code. For those interested, my co-author John Myles White is hosting the cod...
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