Blog Archives

Political Science with R

June 3, 2010
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Political Science with R

As a discipline, Political Science -- the analysis of the theory and practice and politics -- has been around for quite a while. (Our own CEO here at Revolution Analytics, Norman Nie, has been a leading academic and author in the field for over 40 years.) But it's only in recent years that a deluge of data about politics...

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Supercharging business analytics with R

June 2, 2010
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Really pleased with how our webinar today, Supercharge BI and Dashboards with Predictive Analytics, turned out. Steve Miller from OpenBI gave a great introduction to the motivations and need for predictive analytics. Andrew Lampitt from Jaspersoft was next up, with an overview of the Jaspersoft system for BI reports and dashboards. My section focused mainly on R and its...

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Reminder: Supercharging BI with R webinar tomorrow

June 1, 2010
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If you haven't done so already, it's not too late to register for tomorrow's 1-hour webinar, Supercharge BI and Dashboards with Predictive Analytics. I'll be one of the presenters, talking about R and its applications for business intelligence. The topics and speakers will be: Introduction: Analytics and BI (Steve Miller, OpenBI) How BI Complements Predictive Analytics (Andrew Lampitt, Jaspersoft)...

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Program for useR! 2010 announced

June 1, 2010
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The program of invited lectures, contributed talks and posters for this year's annual R user conference useR! 2010 is now available, and it looks to be another excellent event. (Revolution Analytics is a sponsor of useR! 2010.) Of note this year is an increasing focus on commercial applications of R, with no less than three multi-talk sessions on applications...

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R 2.11.1 released

May 31, 2010
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It's official: R 2.11.1 is out. Source code and binaries for Windows and MacOS are available at the master CRAN mirror, and will be available for download from your local mirror soon. As anticipated, this is an update release focussing mainly on bugfixes and with just one new feature. According to R core team member Peter Dalgaard one fix...

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Because it’s Friday: The dating equation

May 28, 2010
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Because it’s Friday: The dating equation

According to internet lore, there's a mathematical equation that governs the lower bound for the socially acceptable age of a potential dating partner: half your age plus 7, or, in mathematical terms, if x is your age then the lower bound is f(x) = x/2 + 7. Seems simple, right? if you're 20, then the minimum socially acceptable age...

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Map-reduce in R with Amazon EMR

May 27, 2010
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There's new video at the Video Rchive of a JD Long presentation: Amazon Elastic Map-Reduce (So Easy an Economist Can Do It). I'm on a plane right now and the in-flight wi-fi isn't quite up to playing the 30-minute video, but judging from the slides it looks like a nice, practical demonstration of getting a map-reduce computation programmed in...

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How to map your Twitter social network

May 26, 2010
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How to map your Twitter social network

Ever wondered which Twitterers you and a friend share? Using R and the twitteR package, there's an easy way to find out. Cornelius Puschmann hacked together some R code to do just that for the Humanities and Technology Camp and it seems to work pretty well. Just replace 'coffee001' with the your Twitter username, 'mypassword' with your Twitter password,...

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German Tanks, Statistical Intelligence

May 25, 2010
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German Tanks, Statistical Intelligence

In World War II, the Allies had a problem: German tanks were often captured, but how many more did the Nazis have in reserve? Allied intelligence estimated around 1400 Panther tanks were being produced a month: a formidable arsenal, and perhaps an insurmountable one given the much smaller numbers being captured or destroyed. But those captured tanks provided exactly...

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Webinar: R analytics and Business Intelligence dashboards

May 24, 2010
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On Wednesday next week, Revolution will be hosting a joint webinar with open-source Business Intelligence software maker Jaspersoft and open-source Business Intelligence services company OpenBI. Together, we'll be talking about making BI dashboards even more powerful by integrating custom visualizations and advanced predictive models from R. If you create advanced analytics in R and are looking for a way...

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