Blog Archives

Revolution’s Chief Scientist: R is the Language of the Future

March 31, 2011
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Revolution Analytics' Chief Scientist Lee Edlefsen was a presenter at the Structure Big Data conference in New York last week. You can download the slides from his talk, The Coming Revolution in Statistics, here (PDF 418k). In his presentation, Lee states that "R is not only the statistical language of the present, in my opinion it is the language...

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New R User Groups in Tallahasse (FL), Hobart (TAS)

March 30, 2011
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Two new R User Groups have just started up. The first us in Tallahassee, Florida, and their first meeting is on April 10. Spinning to the other side of the globe, the other is in Hobart, the capital of the Australian island state, Tasmania (their first meeting is also on April 8). It's great to see R user groups...

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Violins of Volatility

March 29, 2011
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Violins of Volatility

A violin plot is a combination box plot and a kernel density plot: it starts with a box plot, and adds a rotated kernel density plot to each side of the box plot. You can create violin plots with the vioplot function (from the vioplot package) package in R. When looking at the volatility of financial instruments, the financial...

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Reminder: useR! 2011 abstracts, earlybird registration deadline April 1

March 28, 2011
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If you're planning to attend the worldwide R user conference useR! 2011, don't forget that April 1 (this Friday) is the deadline for submitting abstracts for contributed talks and posters. Early-bird discounts for attendee registrations expire on Friday as well. (Revolution Analytics is a proud sponsor of useR! 2011, and chief scientist Lee Edlefsen is one of the keynote...

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Because it’s Friday: Do Celebrities Follow the Half Your Age Plus Seven Rule?

March 25, 2011
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celeb small

Remember the Dating Equation from a while back, that formula that determines the socially acceptable bounds for the age of a female companion given the age of the male partner? Well, the crack data analysis team at Revolution Analytics decided to take the 100 hottest celebrity couples of 2010, and create a scatterplot of the couple's ages (using R),...

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The Register profiles Revolution Analytics

March 23, 2011
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Tech news site The Register has just published an in-depth profile of Revolution Analytics. It was great meeting the author Dan Olds at Revolution HQ a couple of weeks ago, and sharing with him why we think the R language is the way forward for data science: modern, applied, large-scale statistical analysis. He captures that sentiment perfectly in the...

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Analysis: R growth continues in popularity of data analysis software

March 22, 2011
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Bob Muenchen, author of R for SAS and SPSS Users and co-author of R for Stata Users, has updated his in-depth analysis of the popularity of data analysis software. Determining "popularity" for software is a tricky task, but this analysis looks at several different metrics: mailing list traffic, blogs, search volumes, job listings and other such indirect methods, as...

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Some upcoming R courses

March 18, 2011
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A couple of quick notes about some upcoming R courses: In Vancouver, Canada, R trainer Isabella Ghement is presenting two R courses: An Introduction to the Statistical Software Package R, 8:30am-4:30pm, March 30-31, 2011, Vancouver, B.C., Canada (http://www.ghement.ca/RworkshopMarch30and31_2011.html) Advanced Statistical Modeling Using the Statistical Software Package R, 8:30am-4:30pm, May 5-6, 2011, Vancouver, B.C., Canada (http://www.ghement.ca/RworkshopMay5and6_2011.html); And in Seattle, Washington...

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$3.2M in prizes for predicting hospitalization

March 17, 2011
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Heritage Health and Kaggle have teamed up to create the biggest data science competition thus far: the Heritage Health Prize, which challenges competitors to build a statistical model to predict the number of days a person is likely to spend in hospital over the next year, based on (anonymized) factors such as demographics, medical visits and treatments, and other...

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How the New York Times uses R for Data Visualization

March 16, 2011
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The New York Times introduced R to the world with a feature article in 2009, and has been using R for many years to support its pioneering presentation data analysis and visualization, under the direction of graphics editor Amanda Cox. Last week, the New York R User Group's featured speaker was Amanda Cox, where she presented ... how R...

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