Blog Archives

Webinar on Portfolio Design, Optimization and Stability Analysis, Jan 26

January 14, 2011
By

We're very excited to host a new webinar from some of the leading researchers in portfolio design: Diethelm Würtz and Mahendra Mehta for the Rmetrics Association. This webinar will give an overview on current and recent developments and tools for portfolio design, optimization and stability analysis with the R/Rmetrics software environment. This webinar will review content available in the...

Read more »

Visualizing the Haiti earthquake with R

January 13, 2011
By

Yesterday was the one-year anniversary of the Haiti earthquake, and to put the scale of the event in context San Francisco bureau chief for New Scientist magazine and data journalist Peter Aldhous created a time-lapse animation of all large earthquakes in the last year, beginning with the 7.0-magnitude Haiti event. Peter used USGS data, R and Flash to generate...

Read more »

Winners of Mozilla Open Data Competition announced

January 12, 2011
By
Winners of Mozilla Open Data Competition announced

The winners of the Mozilla Open Data Visualization competition "How Do People Use Firefox" have been announced. The competition attracted 32 entries, each visualizing an aspect of data collected in the Mozilla Test Pilot program to reveal insights about how people use the popular open-source browser Firefox. I was honoured to be asked to participate in the judging of...

Read more »

Create Motion Charts in R with the GoogleVis package

January 11, 2011
By

Hans Rosling popularized Motion Charts -- 2-d scatterplots that animate over time -- with the GapMinder project. Motion Charts were taken to their augmented-reality extreme in this clip from the BBC programme, The Joy of Stats, but now you can create similar (if less audacious) motion charts for yourself with just R and a Flash-enabled browser. First, you'll need...

Read more »

Run R in parallel on a Hadoop cluster with AWS in 15 minutes

January 10, 2011
By

If you're looking to apply massively parallel resources to an R problem, one of the most time-consuming aspects of the problem might not be the computations themselves, but the task of setting up the cluster in the first place. You can use Amazon Web Services to set up the cluster in the cloud, but even that take some time,...

Read more »

New R User Group in Kansas City

January 6, 2011
By

There's a new R User Group based in Kansas City, Kansas. Abraham Mathew just launched the group's website, and is looking for R users in the area to kick things off: This group was started to bring together R users in the Kansas City area to exchange knowledge and provide guidance to new R users. We hope to have...

Read more »

The R Journal: December 2010

January 4, 2011
By

Issue 2 of The R Journal (the peer-reviewed journal devoted to R) was published over the Christmas break. In addition to news about the latest release of R, it also includes contributed articles on using GPU processing to fit Bayesian models in R, processing text data in R, solving differential equations in R, and much more. Follow the link...

Read more »

First meeting of Toronto R User Group this Friday

January 3, 2011
By

The Greater Toronto Area R User Group is having its inaugural meeting this Friday, January 7. The meeting will feature Ben Bolker, professor and author of Ecological Models and Data in R, who will speak on Generalized Linear Models. It's also your opportunity to join the group and help define its future path, so if you're in the area...

Read more »

Revolutions blog: 2010 statistics

December 31, 2010
By
Revolutions blog: 2010 statistics

Since it's the end of the year, and since this is a statistics blog, I thought I'd pull some data from the blog server and run some number on the blog itself. Overall, the blog has doubled the average number of daily visitors and pageviews compared to 2009. The number of pageviews varies quite a lot, as you can...

Read more »

R Packages for Social Search

December 30, 2010
By

Jesse Bridgewater works on "social search awesomeness" for the Bing search engine, and is setting up his dev environment with the necessary tools including python, vim, and R. Jesse has shared a handy script he uses to install all the specialty packages he uses for his data analysis. This is a handy script to modify for your own purposes,...

Read more »