Blog Archives

Talking about R, Data Science and Microsoft on theCUBE

February 25, 2015
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It was a pleasure to appear live on theCUBE last week while attending the Strata conference. In my interview with Jeff Kelly and John Furrier, I talked about the rising popularity of R, the applications of data science, and the recent announcement of Microsoft acquiring Revolution Analytics. I also gushed about the President's shout-out to Data Scientists at Strata....

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Strata 2015: Keynote roundup

February 23, 2015
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I spent last week at the Strata 2015 Conference in San José, California. As always, Strata made for a wonderful conference to catch up on the latest developments on big data and data science, and to connect with colleagues and friends old and new. Having been to every Strata conference since the first in XXXX, it's been interesting to...

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CRAN: the Granddaddy of Analytical Marketplaces

February 20, 2015
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by Bill Jacobs, VP Product Marketing, Revolution Analytics I had a most interesting exchange with an industry analysis firm recently who suggested that application marketplaces were critical to the success of analytical tools, suggesting that Revolution Analytics was remiss in not creating one. I must say, I was taken aback somewhat. In considering the suggestion, I was left suspecting...

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An R tutorial for Microsoft Excel users

February 16, 2015
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If you currently use a spreadsheet like Microsoft Excel for data analysis, you might be interested in taking a look at this tutorial on how to transition from Excel to R by Tony Ojeda. The tutorial explains how to use R functions in place of Excel formulas, including tools like =AVERAGE and =VLOOKUP. For the most part, it uses...

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The software behind this clickbait data visualization will blow your mind

February 13, 2015
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The software behind this clickbait data visualization will blow your mind

New media sites like Buzzfeed and Upworthy have mastered the art of "clickbait": headlines and content designed to drive as much traffic as possible to their sites. One technique is to use coy headlines like "If you take a puppy video break today, make sure this is the dog video you watch." (Gawker apparently spends longer writing a headline...

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R among top languages on GitHub

February 11, 2015
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R among top languages on GitHub

The site githut.info provides quarterly statistics on programming language activity on GitHub, by number of repositories, pushes, forks etc. Ranked by number of active repositories on GitHub, R is the 12th most popular programming language as of Q4 2014. JavaScript, Java and Python appear as the top 3 in the same list. As I've said before, such a high...

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In case you missed it: January 2015 roundup

February 9, 2015
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In case you missed them, here are some articles from January of particular interest to R users. Slides on reproducible data analysis with Revolution R Open and the checkpoint package. A review of a recent Bay Area R User Group meetup, featuring Hadley Wickham, Ryan Hafen and Nick Elprin. In an article at opensource.com, I explain why now is...

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Finding the dramatic arc of novels with sentiment analysis

February 6, 2015
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Finding the dramatic arc of novels with sentiment analysis

Sentiment analysis has been widely used to infer the mood of customers in emails, tweets and other short communications. The base assumption is that the sentiment is a fixed value: the email is either angry or happy; positive or negative. But in longer writings like a novel, we naturally expect the sentiment to vary over time. Can we apply...

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Quickcheck: Randomized unit testing for R

February 4, 2015
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Hadley Wickham's testthat package has been a boon for R package authors, making it easy to write tests to verify that your code is working directly, and alerting you when you make changes to your code that inadvertently breaks things. For the RHadoop project, though, developer Antonio Piccolboni needed a different testing framework, that included the possibility of writing...

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Paris’s history, captured in its streets

February 2, 2015
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Paris’s history, captured in its streets

The following image by Mathieu Rajerison has been doing the rounds of French media recently. It shows the streets of Paris, color-coded by their compass direction. It's been featured in an article in Telerama magazine, and even on French TV Channel LCI (skip ahead to 8:20 in the linked video. which also features an interview with Mathieu). Mathieu used...

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