Blog Archives

In case you missed it: July 2015 roundup

August 10, 2015
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In case you missed them, here are some articles from July of particular interest to R users. An alternative to stacked bar charts with the streamgraphs package. Joseph Rickert shares his process for creating the monthly new and updated packages "spotlight" feature on MRAN. Using R to analyze data from its API reveals R to be the 8th most...

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New ‘R Talk’ podcast with news from R Consortium

August 7, 2015
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There's a new podcast in town, and it's focused on R. Four members of the R community (Oliver Keyes, Wikimedia Foundation; Jasmine Dumas. DePaul University; Ted Hart, Silcon Valley "fruit vendor"; and Mikhail Popov, Wikimedia Foundation) have banded together to produce R Talk, a podcast about "the R Programming language, featuring news, interviews and dives into how R is...

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Watch 18 years of R development in 15 minutes

August 3, 2015
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Watch 18 years of R development in 15 minutes

R is an incredibly active software project. Since the first code was checked into Subversion back on 18 September 1997, there have been more than 100,000 updates to the R sources by the 20-some members of the R Core Team. As you can see from the activity graphs from the GitHub mirror of the R sources, the pace of...

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Streamgraphs in R

July 31, 2015
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Streamgraphs in R

It's not easy to visualize a quantity that varies over time and which is composed of more than two subsegments. Take, for example, this stacked bar chart of religious affiliation of the Australian population, by time: While it's easy to see the how the share of Anglicans (at the bottom of the chart) has changed over time, it's much...

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Hadley Wickham on why he created all those R packages

July 27, 2015
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Hadley Wickham on why he created all those R packages

Priceonomics published on Friday an in-depth profile of Hadley Wickham, author of many of the most popular R packages including ggplot2, dplyr and devtools. In the article, he reveals that his motivation for creating these packages was primarily to provide better ways of accomplishing routine tasks in R, an immensely useful contribution that sadly wasn't recognized in an academic...

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R #6 in IEEE 2015 Top Programming Languages, Rising 3 Places

July 24, 2015
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R #6 in IEEE 2015 Top Programming Languages, Rising 3 Places

IEEE Spectrum has published its 2015 list of Top Programming Languages, and R ranks in 6th place, jumping 3 places from its 2014 ranking. Here's what the IEEE has to say about the top 10 from the table above: The big five—Java, C, C++, Python, and C#—remain on top, with their ranking undisturbed, but C has edged to within...

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Revolution R Open 3.2.1 now available

July 23, 2015
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The latest update to Revolution R Open, RRO 3.2.1, is now available for download from MRAN. This release upgrades to the latest R engine (3.2.1), enables package downloads via HTTPS by default, and adds new supported Linux platforms. Revolution R Open 3.2.1 includes: The latest R engine, R 3.2.1. Improvements in this release include more flexible character string handling,...

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KDD Cup 2015 winners announced

July 20, 2015
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KDD Cup 2015 winners announced

The KDD Cup is an annual competition to build the best predictive model from a large data set. This years' contest tasked entrants to predict the likelihood of a student dropping out from one of XuetangX's massively-online open courses, based on the student's prior activities. The competition closed on July 12, and yesterday, the winning teams were announced. The...

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Planning of and some stats from useR! 2015, Aalborg

July 17, 2015
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Planning of and some stats from useR! 2015, Aalborg

By Torben Tvedebrink, Chair of local committee, useR! 2015 Planning After useR! 2015 in Aalborg I had some time to reflect and think back on the phase leading up to the actual conference. The story of useR! 2015 began in 2013 when Søren Højsgaard, Head of Department of Mathematical Sciences, Aalborg University, popped the idea of hosting useR! 2015...

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Using R to analyze pro motorcycle racing

July 13, 2015
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Using R to analyze pro motorcycle racing

EMC recently ran a competion to find out why John McGuinness, the legendary motorcycle racer known as the "Morecambe Missile", is outperforms the average motorcycle racer. To answer this question, EMC instrumented his bike and his suit with a number of real-time sensors. (Data collected included gear and RPM for the bike, and heart rate and acceleration for the...

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