Blog Archives

Atlantic Feature on AI and R

February 19, 2014
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A recent feature article in The Atlantic describes the rise of Artificial Intelligence (AI) and how researchers "conduct sophisticated data analyses using cloud resources such as Amazon Web Services and R, an open source application for statistic...

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Sales forecasting and direct mail optimization with Revolution R Enterprise and Alteryx

February 17, 2014
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If you missed our recent webinar Creating Value that Scales, you missed out on a live demonstration of the big-data analytics of Revolution R Enterprise embedded in the drag-and-drop visual workflow interface of Alteryx. If you want to see how a decision-maker can use the results of workflows created by data scientists, skip ahead to 25:45 to see a...

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Because it’s Valentine’s Day: Statistical Plushies

February 14, 2014
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Because it’s Valentine’s Day: Statistical Plushies

Looking for a sweet gift for your data-loving significant other? Then check out these statistical distribution plushies on Etsy: Availale in pink (log-Normal distribution), yellow (chi-square distribution), light green (Normal distribution), baby blue (T-distribution), and lilac (uniform distribution). They're cute, they're educational, last longer than roses and much better for you for chocolates — and the patterns were created...

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BitCoin profits with the Sushi-Burger Shuffle

February 14, 2014
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BitCoin profits with the Sushi-Burger Shuffle

The BitCoin cryptocurrency has been much in the news of late. What, you don't have BitCoins? (Don't worry, neither do I.) Unless you have a supercomputer in your back yard and a cheap source of power, it's no longer really feasible to mine them yourself. But if you want some, several online exhanges will let you buy BitCoins for...

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R skills attract the highest salaries

February 11, 2014
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R skills attract the highest salaries

Two recent salary surveys have shown that R language skills attract median salaries in excess of $110,000 in the United States. In the 2014 Dice Tech Salary Survey of over 17,000 technology professionals, the highest-paid IT skill was R programming. While big-data skills in general featured strongly in the top tier, having R at the top of the list...

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Winter Olympic Medal Standings, presented by R

February 10, 2014
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Winter Olympic Medal Standings, presented by R

There's no shortage of web sites listing the current medal standings at Sochi, not least the official Winter Olympics Medal Tally. And here's the same tally, rendered with R: Click through to see a real-time version of the chart, created with RStudio's Shiny by Ramnath Vaidyanathan. (By the way, does anyone know if it's possible to embed a live...

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In case you missed it: January 2014 roundup

February 5, 2014
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In case you missed them, here are some articles from January of particular interest to R users: Princeton’s Germán Rodríguez has published a useful “Introduction to R” guide, with a focus on linear and logistic regression. The rxDForest function in the RevoScaleR package fits random forests of histogram-binning trees. A tutorial on using the xts package to analyze and...

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R is 15th of top programming languages in latest RedMonk ranking

February 3, 2014
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R is 15th of top programming languages in latest RedMonk ranking

Analyst firm RedMonk periodically publishes rankings of the Top 20 programming languages, as measured by activity on StackOverflow and number of repositories on GitHub. In their most recent ranking (January 2014), R is ranked #15 amongst all programming languages. An impressive ranking for a domain-specific language; the top 3 were the general-purpose languages Java, Javascript and PHP. Here's a...

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Princeton’s guide to linear modeling and logistic regression with R

January 31, 2014
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Princeton’s guide to linear modeling and logistic regression with R

If you're new to the R language but keen to get started with linear modeling or logistic regression in the language, take a look at this "Introduction to R" PDF, by Princeton's Germán Rodríguez. (There's also a browsable HTML version.) In a crisp 35 pages it begins by taking you through the basics of R: simple objects, importing data,...

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NYT’s 4th Down Bot gives the SuperBowl edge to the Broncos

January 29, 2014
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Who will win the SuperBowl this Sunday: Seattle or Denver? As pundits around the country weigh in with their predictions, you might want to check out the analysis from the New York Times' 4th Down Bot, which compares the coaches' calls on fourth down plays with what historical statistics and a point-forecasting model indicate would have been the ideal...

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