Blog Archives

Quantifying gravitational lensing by dark matter

May 23, 2011
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Quantifying gravitational lensing by dark matter

The latest prediction competition at Kaggle is literally "out of this world": the goal is to quantify the shape of 2-D images of galaxies from a simulated telescope, to test models for how invisible dark matter in the Universe distorts the images through gravitational lensing (as shown in the image below; see the FAQ for more details). If you're...

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Hacking the Kinect with R

May 20, 2011
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I was browsing through the draft abstract booklet for this year's worldwide R user conference useR! 2011, and noticed this abstract: KinectR – Kinect interface to R Landon Jensen Microsoft launched the Kinect for Xbox 360 in late 2010 and it quickly broke records as the fastest selling consumer electronics device in history (8 million units sold in the...

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Hadley Wickham’s R Development Master Class coming to SF

May 19, 2011
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Hadley Wickham, the Rice professor and prolific R hacker best known as the author of the ggplot2 graphics package, will be coming to San Francisco June 8-9 to deliver his new R Development Master Class (in conjunction with Revolution Analytics). This course will build on the skills of basic R programmers with instruction in advanced R programming techniques, development...

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Mapping locations in R with the Data Science Toolkit

May 18, 2011
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Mapping locations in R with the Data Science Toolkit

Pete Warden's Data Science Toolkit (which we mentioned briefly last week) is an open-source information server that provides an API you can query for information useful for building data science applications, like identifying proper names in unstructured text, or converting IP addresses to lat/long coordinates. You can make queries via the Web interface or by direct interface to the...

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New R User Groups in Turin, Belgrade

May 18, 2011
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Two new local R user groups in Europe to announce this week. For R users in Serbia, there's a new group based in Belgrade. You can find more information about the group and upcoming meetings at the Croatian-language blog Sav tar R. And for R users in northern Italy, there's a new group based in Turin: Torino R net...

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In case you missed it: April Roundup

May 17, 2011
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In case you missed them, here are some articles from April of particular interest to R users. The Heritage Health Prize, a competition to build predictive models for hospitalization with USD$3.2M in prizes, is open. The Inside-R.org community site now provides the ability to search and view the help files for CRAN packages. Revolution R Enterprise 4.3 released: R...

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Get Daily R tips on Twitter

May 16, 2011
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John D Cook, editor of the always-interesting and eclectic blog The Endeavour, has been posting facts about Statistics and distribution theory to the StatFact Twitter account on a daily basis for over a year now. He also curates a number of other daily tip services and the newest one — RLangTip — promises daily tips about using the R...

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Reflections on Data Science Summit 2011

May 13, 2011
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The Data Science Summit held in Las Vegas this week was outstanding - kudos and thanks to EMC/Greenplum for organizing the event. The energy of 150+ data scientists coupled with a well-curated agenda of talks created a real sense of being at the cusp of a real revolution in the applications of data analysis. Here are just a few...

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The R-Files: Martin Morgan

May 12, 2011
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The R-Files: Martin Morgan

"The R-Files" is an occasional series from Revolution Analytics, where we profile prominent members of the R Community. Name: Martin Morgan Profession: Senior Staff Scientist at Fred Hutchinson Cancer Research Center Nationality: Canadian Years Using R: 7 Known for: Director of the Bioconductor project Martin Morgan is a Senior Staff Scientist at the Fred Hutchinson Cancer Research Center (FHCRC)...

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An essential vocabulary for the R language

May 11, 2011
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The Oxford English Dictionary includes more than 600,000 words, yet most of us get by in our day-to-day lives with a vocabulary of just a few thousand. In a similar vein, the R language includes thousands of functions: when you start up R 2.13, you have 2832 functions at your disposal: > length(apropos(".", mode="function")) 2382 This includes only...

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