November 2011
13 posts
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Colored plotmatrix in ggplot2
I feel like plotmatrix is a much-neglected ggplot2 function (it’s not even on the ggplot2 webpage). It’s the equivalent of plot(dataframe) from the core graphics package, with the added bonus of a kernel density plot along the diagonal.
The one thing that seems to be missing is the ability to color the points by some factor. I modified the plotmatrix function to enable this....
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Machine Learning for Email →
Drew Conway and John Myles White posted the code used in their O’Reilly book Machine Learning for Email on github. Check it out to see implementations (all in R) of priority inbox, spam classification, and other algorithms.
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Slides from our Velocity Europe talk on MySQL... →
engineering:
Special thanks to Dallas and Matt for helping to formulate our shard-splitting algorithm, Zack for the slide deck visual excellence, and the fine folks at Velocity / O’Reilly Media for running a great conference.
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Bring back Google Reader!
Yesterday, Google removed my single favorite thing about the internet. Google reader was an above-average RSS reader with a functional layout and unmatched sharing/comments features. Now it’s a decent-at-best RSS reader thanks to the horrible new layout, and a few useless json files with some contacts and 4 years worth of shared items.
I was wondering what is left of the Trends page that...
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“There’s this culture in the Valley of starting a company before they know what...”
– Mark Zuckerberg, via TechCrunch. 