Blog Archives

O’Reilly Data Scientist Salary and Tools Survey, November 2014

December 10, 2014
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O’Reilly Data Scientist Salary and Tools Survey, November 2014

The O'Reilly Data Scientist Survey for 2014 is out, with fresh data on the salaries and tools used by data scientists. Jon King has a summary of the results, but not much has changed since last year: median income is down very slightly ($100k in 2013 vs $98k in 2014), and the most popular analysis tools (excluding operating systems)...

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Thursday Dec 11: Webinar on sports analytics with R and Storm

December 8, 2014
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A quick heads-up that this Thursday (December 11), Allen Day from MapR and Bill Jacobs from Revolution Analytics will be live presenting a new webinar, Batter Up! Advanced Sports Analytics with R and Storm. The analysis will be of baseball data, but the webinar will be of interest to anyone interested in doing large-scale statistical analysis with R of...

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Cindy Brewer: helping you choose better color scales for maps

December 5, 2014
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Cindy Brewer: helping you choose better color scales for maps

The choice of colors you use in a statistical graphic isn't just about making your chart look good: the colors you choose are often critical to interpretation. For example, you wouldn't want to use a scale like this to represent, say, average income on a map: That palette would be suitable for qualitative data without implicit ordering (say, political...

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ASA Statistical Graphics Student Paper Competition

December 1, 2014
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If you're a current graduate or undergraduate student and have a knack for data visualization, why not submit a paper to the 2014 ASA Statistical Graphics Student Paper Competition? Many of the past winners used R to create interesting displays of data, or created a new package for R (general statistical computing applications are also eligible). Winners will get...

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Eggnog for Thanksgiving

November 27, 2014
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Eggnog for Thanksgiving

It's Thanksgiving Day here in the US, so we're taking the day off to spend some time with our families and to eat far too much food. If you're in the US or celebrating Thanksgiving elsewhere, enjoy the day! And for everyone in this season of joy, here's a handy app to scale your eggnog recipe, however many people...

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The beautiful R charts in London: The Information Capital

November 26, 2014
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The beautiful R charts in London: The Information Capital

If you've lived in or simply love London, a wonderful new book for your coffee-table is London: The Information Capital. In 100 beautifully-rendered charts, the book explores the data that underlies the city and its residents. To create most of these charts, geographer James Cheshire and designer Oliver Uberti relied on programs written in R. Using the R programming...

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Twitter’s R package for detecting breakouts in time series

November 24, 2014
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Twitter’s R package for detecting breakouts in time series

With so many more devices and instruments connected to the "Internet of Things" these days, there's a whole lot more time series data available to analyze. But time series are typically quite noisy: how do you distinguish a short-term tick up or down from a true change in the underlying signal? To solve this problem, Twitter created the BreakoutDetection...

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Ford uses R for data-driven decision making

November 21, 2014
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Mike Cavaretta is Ford Motor Company’s Chief Data Scientist, and was tasked by the incoming CEO Alan Mulally to help change the culture so that "important decisions within the company had to be based on data". In a feature article at Dataconomy, he reveals that R is a big part of this revolution at Ford: On the statistical side,...

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The three types of Reddit posts, and how they make it to the front page

November 19, 2014
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The three types of Reddit posts, and how they make it to the front page

Todd Schneider's blog post on solving the traveling salesman problem with R hit the front page of reddit.com. This is a big deal: front-page placement on the popular social news site can drive a ton of traffic (in Todd's case, 1.3 million pageviews). But what factors determine which of reddit's contributed links make it to the front page? (There...

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Video presentation on Revolution R Open and DeployR Open

November 17, 2014
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The video replay from last week's Introducing Revolution R Open webinar is now available, and I've embedded it below for anyone who may have missed the live presentation. In addition to providing an overview of Revolution R Open, the presentation also introduces other open source projects from Revolution Analytics. If you've ever wanted to embed R into another application,...

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