Blog Archives

An Old Wives Tale from the 2000 Census

October 19, 2010
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An Old Wives Tale from the 2000 Census

With the data from the 2010 US Census to be published early next year, here's a cautionary tale from the 2000 Census. If you take a look at the ratio of numbers of men to women in the 5-Percent "PUMS" sample from the 2000 census over various ages, you'll see an odd spike near age 65: What causes this...

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Winners of 2010 ggplot2 case study competition

October 18, 2010
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Winners of 2010 ggplot2 case study competition

The winners of this year's ggplot2 case study competition have been announced. I was honoured to be asked to be a judge of the competition this year, but it was a difficult job with so many excellent entries. In the end, the judging panel (which included Heike Hoffman and Hadley Wickham and me) selected three entries which each demonstrated...

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Benoît B Mandelbrot, 1924-2010

October 16, 2010
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Benoît Mandelbrot, the father of fractals, died Thursday at the age of 85. His obituary in the New York Times covers his life and work, and is also a well-written introduction to fractals. Mandelbrot's famous book, The Fractal Geometry of Nature, was an inspiration to me in high school: that a simple question like "How Long Is The Coast...

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Busting gay stereotypes with data

October 15, 2010
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Busting gay stereotypes with data

As a gay guy, you sometimes have to put up with some pretty offensive stereotypes that get thrown your way by extremists in the community and the media. These stereotypes are usually deployed in the form of anecdotes about how gay people are "promiscuous" or "corrupting". These misrepresentative anecdotes have serious consequences, not just in the continued denial of...

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R 2.12.0 released

October 15, 2010
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As announced today, The new R 2.12.0 is now available in source form, and you'll soon be able to download R as an installable binary for Windows, Mac and Linux from your local CRAN mirror. In the meantime, if you're not building R yourself you can check out the list of new features in the NEWS file. As usual,...

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R is Hot: Part 2

October 14, 2010
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This is Part 2 of a five-part article series, with new parts published each Thursday. You can download the complete article from the Revolution Analytics website. Critical Mass and Going Viral R was created in 1993 by Ross Ihaka and Robert Gentleman at the University of Aukland in New Zealand. It’s called R for the simple reason that both...

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Impact of Google Instant on paid search

October 13, 2010
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Impact of Google Instant on paid search

When Google introduced Google Instant (where search results are displayed as you type), it was certainly a boon for searchers. Personally, I've started visiting the Google homepage after years of just using the search box in Firefox (and now Chrome), and enjoying the improved search experience. (And I get to see those neat Doodles, too.) But not everyone was...

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RHIPE in the SD Times

October 12, 2010
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Saptarshi Guha, who we profiled yesterday, is at the Hadoop World conference in New York City today. At 4PM, Saptarshi will give a presentation on RHIPE, his link between R and Hadoop. Saptarashi was interviewed yesterday by Alex Handy of the SD Times, where he talked about his background and his motivation to create RHIPE. Saptarshi was sponsored by...

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In case you missed it: September Roundup

October 12, 2010
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In case you missed them, here are some articles from August of particular interest to R users. We presented a profile of Hadley Wickham, author of many popular R packages including ggplot2 and reshape. We riffed the design of the new Twitter website into a discussion on calculating the Golden Mean with R. Several readers contributed 1-liners based on...

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The R-Files: Saptarshi Guha

October 11, 2010
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The R-Files: Saptarshi Guha

"The R-Files" is an occasional series from Revolution Analytics, where we profile prominent members of the R Community. Name: Saptarshi Guha Background: Ph.D. in Statistics, Purdue University Nationality: India Years Using R: 6 Known for: Developing RHIPE package for R + Hadoop integration At just 31 years old, Saptarshi Guha has emerged as a cutting-edge contributor to the R...

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