Articles by David Smith

Visualizing Katrina’s strongest winds, with R

August 13, 2013 | David Smith

Here's a new picture of the devastation wrought by Katrina in 2005. This image shows the maximum wind speeds of the hurricane, not at any particular point of time, but over the duration of the entire storm: The data come from NOAA's H*Wind project, which makes windspeed data from sensors ... [Read more...]

A beginner’s video introduction to R, from Google

August 12, 2013 | David Smith

If you're an absolute beginner to the R language, this Intro to R video series from Google Developers is a great place to get started. Just download R for your system, start the playlist below, and follow along with the on-screen examples. (The video uses the MacOS X version of ... [Read more...]

In case you missed it: July 2013 Roundup

August 9, 2013 | David Smith

In case you missed them, here are some articles from July of particular interest to R users: A new 90-second, creative commons video helps R enthusiasts share the history, community and applications of R. Analyst group Butler Analytics reviews 10 predictive analytics platforms, and says that "real analysts use R". An ... [Read more...]

Disrupting the Traditional Analytics Ecosystem

August 7, 2013 | David Smith

This guest post is by Punit Kulkarni. Punit is the Director of Marketing at Symphony Analytics and a marketing technology enthusiast. He has helped Fortune 500 retailers and brands in building their customer loyalty programs, direct marketing and business analytics. As a trusted co-marketing partner of Revolution Analytics, Symphony Analytics is ... [Read more...]

How to choose a new business location with R

August 6, 2013 | David Smith

This guest post is by Rodolfo Vanzini. Rodolfo is senior partner at — an asset management consultancy based in Italy — and advises clients on investment management issues. He taught at the University of Siena and is an analytics professional. With an economist education and a financial markets expertise four ... [Read more...]

Explore smartphone market share with Nanocubes

August 5, 2013 | David Smith

Back in May, Twitter's Miguel Rios created some beautiful data visualizations to show that with enough (i.e. billions) of geotagged tweets, you can reveal the geography of where people live, work and commute. Now, a new interactive visualization of 210 million geotagged tweets by AT&T Research Labs reveals the ... [Read more...]

Demand for R jobs on the rise, while SAS jobs decline

August 2, 2013 | David Smith

Job-tracking site shows the rate at which certain terms appear in job advertisements. As you can see from the chart below, demand for R language skills is on the rise, while the number of SAS-related job postings peaked in late 2010 and has been declining steadily since early 2012. I ... [Read more...]

Butler Analytics: Real Analysts use R

July 31, 2013 | David Smith

In an overview of several predictive analytics platforms (including SPSS, Oracle and SAS), Butler Analytics offers this 4.5/5 star review of Revolution R Enterprise: Real analysts use R – well it sounds a bit macho, but actually there is some truth in it. R is the most widely used, and arguably the ... [Read more...]

Tips for speeding up R with byte compilation

July 29, 2013 | David Smith

A byte-compiler for R code — which can improve the execution performance of R functions — was introduced in R 2.13.0, and was automatically applied to the bundled packages in R 2.14.0. Drew Dimmery provides some good advice for identifying targets amongst your own R functions for compilation: I have some function that will ... [Read more...]

Bike sharing in 100 cities

July 22, 2013 | David Smith

Many cities around the world have bike sharing programs: pick up a bike at a docking station, ride it across town and drop it off at another session, and just pay for the time you use. (Even Albacete, the Spanish college down hosting last month's UseR conference, had one.) Most ... [Read more...]

Real-Time Big Data Analytics: Emerging Architecture

July 19, 2013 | David Smith

O'Reilly Media has published a new whitepaper, Real-Time Big Data Analytics: Emerging Architecture. This 32-page document describes the processes and components necessary for getting on-demand information from big-data stores such as Hadoop. It answers the questions "How fast is fast?" and "How real is real-time?" and "how big is big?", ... [Read more...]

R spells for data wizards

July 18, 2013 | David Smith

Thomas Levine has put together a handy list of "data spells" for R: all of those cool, slightly hacky ways of getting things done with R that you might not come across in the standard documentation. Check out the link below for handy hints o... [Read more...]

High Performing Predictive Analytics with R and Hadoop

July 16, 2013 | David Smith

I'm a bit late catching up on this, but Mario Inchosa (Revolution Analytics US Chief Scientist) gave a standing-room-only talk on high-performance predictive analytics in R and Hadoop at last month's Hadoop Summit. In the talk, he described some of the progress we've made integrating the ScaleR parallel external-memory algorithms ... [Read more...]

Revolution Newsletter: July 2013

July 15, 2013 | David Smith

The most recent edition of the Revolution Newsletter came out a couple of weeks ago. In case you missed it, the news section is below, and you can read the full July edition (with highlights from this blog and community events) online. You can subscribe to the Revolution Newsletter to ... [Read more...]

UseR! 2013: it’s a wrap!

July 12, 2013 | David Smith

Steve Scott (Google) presents at useR! 2013, July 12 2013 The 2013 UseR! conference has drawn to a close in Albacete, Spain. The conference organizers did a fantastic job putting together a jam-packed presentation and social program for the 350+ R users in attendance. Here are just a few of my highlights from the last ... [Read more...]

UseR! 2013 – Day 1 notes

July 10, 2013 | David Smith

Hadley Wickham presents at the useR! 2013 conference, July 10 2013 Today marked the first day of the 2103 useR! conference, a gathering of more than 350 R users from around the world. The conference has been quite a success so far, kicking off yesterday with a day of tutorials followed by a tapas-fueled welcome ... [Read more...]

Meet the Revolution Analytics UK team

July 5, 2013 | David Smith

Revolution Analytics has a new office in London to serve our customers in Europe. This press release introduces the team members who are based there: Neil Miller, Managing Director, International: Neil Miller is responsible for Revolution Analytics' business and growth outside the Americas and is based in the U.K. ... [Read more...]
1 43 44 45 46 47 94

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)