Blog Archives

R courses from Statistics.com

August 19, 2010
By

The fine folks at Statistics.com have a number of courses related to R coming up in the next few months, including what looks to be a very useful course in handling data with R from none other than R Core Team member Paul Murrell. The courses from Statistics.com are on-line, so you can participate on your own schedule and...

Read more »

New R User Group in Raleigh-Durham

August 18, 2010
By

New local R user groups keep on popping up on a regular basis, which is great to see. The latest one is deep in SAS territory: it's the Raleigh-Durham-Chapel Hill R Users Group in They don't have any meetings scheduled just yet (but when they do their gracious meetup hosts are Carrboro Creative Coworking). So if you're in the...

Read more »

Distributions in R

August 18, 2010
By

One of the R language's most powerful features is its ability to deal with random distributions: not just generating random numbers from various distributions (based on a very powerful pseudo-random number generator), but also calculating densities, probabilities, and quintiles. John Cook provides a handy reference chart listing all of the distributions supported by standard R (reproduced below -- and...

Read more »

New R User Group in Singapore

August 17, 2010
By

There's yet another R user group starting, this time in Singapore. Their first meetup is next week, on Wednesday August 25. If you're in Singapore, come along and meet your fellow R users! meetup.com: R User Group - SG

Read more »

In case you missed it: July Roundup

August 16, 2010
By

In case you missed them, here are some articles from July of particular interest to R users. We reviewed the updates to Hadley Wickham's ggplot2 and plyr packages. We linked to an article about R co-creator Ross Ihaka in New Zealand's Sunday Star Times. We noted that the presentations from the R/Finance 2010 conference are available for download. We...

Read more »

Presentations and video from useR! 2010 available

August 13, 2010
By

For anyone who missed the useR! 2010 conference in Gaithersburg last month (or just wants to revisit some of the amazing talks), you can now find slides from many of the contributed presentations available for download. (Look for the link to download slides.) The presentations from the Revolution team members are there, including: My presentation on Evolving R...

Read more »

R’s role in the national response to the BP Oil Spill

August 12, 2010
By

In the early days of the Deepwater Horizon oil spill in the Gulf of Mexico, the rate of flow of oil from the spill was of great concern: estimating it accurately was key to coordinating the scale and scope of the response to the emergency. Unfortunately, estimates from independent sources varied widely, and BP's own estimates varied widely over...

Read more »

Baseball games: getting longer?

August 11, 2010
By
Baseball games: getting longer?

ESPN's Bill Simmons (aka The Sports Guy) recently suggested that the primary cause of dwindling interest in Red Sox games by fans is that baseball games these days are too long. "It's not that fun to spend 30-45 minutes driving to a game, paying for parking, parking, waiting in line to get in, finding your seat ... and then,...

Read more »

A Twitter feed for R links

August 10, 2010
By

India-based data scientist Harsh Singhal has compiled "State of the R": a list of more than 50 links to R-related websites, which has generated much discussion on the R Project group on LinkedIn. Now, even if you're not on LinkedIn, you can find the list at the new Links4R Twitter profile, and get updates about new links by following...

Read more »

R unfolds the history of the Afghanistan war

August 9, 2010
By
R unfolds the history of the Afghanistan war

Drew Conway continues his analysis of the Wikileaks data. Having concluded that the data appear legitimate (except perhaps in one region, based on a Benford's Law analysis of the numbers in the documents), Drew follows up with a spatio-temporal analysis of activity within Afghanistan, based on the datelines of the documents themselves (click to enlarge): Each panel represents a...

Read more »