My Favorite Graphs

December 5, 2011 | Nina Zumel

The important criterion for a graph is not simply how fast we can see a result; rather it is whether through the use of the graph we can see something that would have been harder to see otherwise or that could not have been seen at all. – William Cleveland, The ... [Read more...]

Vote Compass: visualizing Canadian poll results with R

December 5, 2011 | David Smith

Vote Compass is an online "electoral literacy application, whose goal is to encourage engagement with and stimulate discussion around the policy platforms of Canada's political parties. In the lead-up to the 2011 Canadian election, Vote Compass collected the results of an on-line 10-minute survey from more than 2 million participants, and used ... [Read more...]

Applications of R in Business Contest: Final Entries

December 2, 2011 | David Smith

The revision period for the Applications of R in Business Contest is now at a close, and the competitors have finalized their entries for a chance at $20,000 in prizes from Revolution Analytics. We're now in the judging phase, where the finalists will be rated on applicability to business, innovation and ... [Read more...]

"Applications of R" contest submissions online

November 2, 2011 | David Smith

Thanks to everyone for participating in the "Applications of R in Business" contest. R users submitted more than 25 entries, describing how R is used in industries including life sciences, finance, manufacturing, sentiment analysis, and even sports. Some entries are just outlines for now (competitors have until November 30 to finalize their ... [Read more...]

Building diversified portfolios with R

October 27, 2011 | David Smith

A common approach to reducing risk associated with financial portfolios is diversification. A portfolio made of components that are all highly correlated with each other -- a portfolio composed solely of financial stocks, for example -- is risky, because if there's a wide-spread crisis that affects the banking sector, all ... [Read more...]

NYT on Big Data and R

October 24, 2011 | David Smith

In the New York Times' "Bits" blog today, Quentin Hardy offers recollections on Big Data talks at the recent Web 2.0 Summit. He begins with a definition of Big Data: Big Data is really about ... the benefits we will gain by cleverly sifting through it to find and exploit new patterns ... [Read more...]

How Lloyd’s of London uses R for Insurance

September 15, 2011 | David Smith

Lloyd's is the world's leading specialist insurance market, and is often the first to insure new, unusual or complex risks. So it's no surprise that Lloyd's is one of the many companies that use R and its advanced capabilities for data analysis to help manage its insurance risks. At the ... [Read more...]

How ANZ uses R for credit risk analysis

August 8, 2011 | David Smith

At last month's R user group meeting in Melbourne, the theme was "Experiences with using SAS and R in insurance and banking". There, Hong Ooi from ANZ (Australia and New Zealand Banking Group) gave a presentation on "Experiences with using R in credit risk". I didn't get to see the ... [Read more...]

How Google uses R to make online advertising more effective

August 3, 2011 | David Smith

At JSM 2011 today, three Google employees (amongst the more than 20 Google delegates there) gave a little insight into how statistical analysis with R yields better results for companies using Google's various advertising products. Bill Heavlin from Google kicked off the session with a talk about conditional regression models, a statistical ... [Read more...]

IBM Netezza: Embrace open source analytics

July 22, 2011 | David Smith

Earlier this month Thomas Dinsmore, solutions architect for IBM Netezza’s Advanced Analytics team, had a great blog post on why companies should embrace R as an analytics platform. He says: There are three main reasons R should be part of your enterprise analytics architecture: R has capabilities not available ... [Read more...]

Visualizing Kickstarter Projects with R

July 20, 2011 | David Smith

Kickstarter, a social funding platform where individuals can chip in cash to get a worthy project going, just celebrated their 10,000th kickstarted project. Kickstart employee Fred Benenson recognized the achievement by visualizing the funding of music, design, art, game and many other kinds of projects using R and ggplot2. For ... [Read more...]

GigaOm article on R, Big Data and Data Science

July 18, 2011 | David Smith

I'm really pleased that an article I wrote, "5 real-world uses of big data", has been published in the widely-read technology blog GigaOm. In the article, I review five examples of using data science techniques and R to make sense of some large real-world data sets: Drew Conway's analysis of the ... [Read more...]

Using R and Motion Charts to analyze financial data

July 15, 2011 | David Smith

We've noted before that with the RGoogleVis package, it's easy to make motion charts in R, and create a web-based interactive chart that reflects the synchronous movements of two or three variables over time. R user Jeffrey Breen has a great new blog post showing exactly how easy it is, ... [Read more...]

How Marketo uses Revolution R Enterprise

July 6, 2011 | David Smith

Marketo, a leading marketing automation company, relies on data analysis to implement the features in its hosted application that help companies get the most out of their marketing dollar. We've just published a case study about how Marketo uses Revolution R Enterprise and the R language to analyze the massive ... [Read more...]

Sentiment Analysis for Airlines via Twitter

July 5, 2011 | David Smith

Last weekend here in the states was the 4th of July long weekend, one of the busier air travel days of the year. As anyone who flies in the States knows, with air travel often comes frustration, and in this social media age many express their frustration on Twitter: The ... [Read more...]

Propagation of the news of OBL’s death via Twitter

May 6, 2011 | David Smith

SocialFlow's blog has a great case study today on how news from a single tweet -- in this case, speculation made an hour before the President's announcement that Osama bin Laden had been killed -- can propagate through social networks. At 10:24 p.m. EST on Sunday May 1, Keith Urbahn tweeted: "... [Read more...]

How the New York Times uses R for Data Visualization

March 16, 2011 | David Smith

The New York Times introduced R to the world with a feature article in 2009, and has been using R for many years to support its pioneering presentation data analysis and visualization, under the direction of graphics editor Amanda Cox. Last week, the New York R User Group's featured speaker was ... [Read more...]
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