August 2010

Where have all the Hacker News old-timers gone?

August 5, 2010 | David Smith

Nostalgia ain't what it used to be. As slashdot slowly loses its relevance and digg heads for a more general audience to head off competition from Twitter, loyal readers of uber-technical news aggregator Hacker News wonder if it's heading the same way. Seems like the long-standing users aren't posting links ... [Read more...]

Internal Migration Estimation in England and Wales

August 5, 2010 | gjabel

During my MS.c. I worked on methods for combining internal migration data in England and Wales. Migration data is often represented in square tables of origin-destination flows. These are of particular interest to analysing migration patterns when they are disaggregated … Continue reading → [Read more...]

New R User Group in Portland, OR

August 5, 2010 | David Smith

There's another new R user group on the US West Coast, this time in Portland, Oregon. The Portland R User Group will hold their first meeting at the Lucky Labrador Brew Pub on Tuesday, August 17. If you're in the Portland/Vancouver area, come along for beeRs and conversation with other ... [Read more...]

Are MLB Games Getting Longer?

August 5, 2010 | Ryan

On July 29, 2010, I had a flight from Denver to Cincinnati.  About an hour before boarding, I went to ESPN’s website and found a new article by Bill Simmons, a.k.a The Sports Guy (@sportsguy33 on Twitter).  The basic premise of this article is that a core group of ... [Read more...]

R helps reproducible research

August 5, 2010 | Timothée

While reading a paper on mutualistic networks in press at Ecology, by Jimena Dorado et al., I found the following sentence in the Materials & methods section: Correlation analyses were done using the cor.test function in the basepackage of R (…)Read the rest of this entry » [Read more...]

Big data for R

August 5, 2010 | Allan Engelhardt

Revolutions Analytics recently announced their "big data" solution for R. This is great news and a lovely piece of work by the team at Revolutions. However, if you want to replicate their analysis in standard R, then you can absolutely do so and we show you how. [Read more...]

Plotting texts as graphs with R and igraph

August 4, 2010 | cornelius

I’ve plotted several word association graphs for this New York Times article (1st paragraph) using R and the igraph library. #1, random method #2, circle method #3, sphere method #4, spring method #5, fruchterman-reingold method # 6, kamada-kawai method #7, graphopt method The red vertices mark cliques. Here’s the (rough) R code for plotting such [...] [Read more...]

Hacking the CISEN homicide data

August 4, 2010 | Diego Valle-Jones

The director of the CISEN, the Mexican agency in charge of generating intelligence to safeguard Mexico's security, said in a presentation yesterday that the number of homicides linked to the drug war was a little over 28,000 since the start of the Calderon administration. Guillermo Valdés didn't provide the raw ... [Read more...]

Recent arXiv postings

August 4, 2010 | xi'an

With too little time, too many things to do on my plate, here are some recent arXiv postings I won’t have time to comment: Adaptive Monte Carlo on multivariate binary sampling spaces. (arXiv:1008.0055v1) Mixture Decomposition of Distributions using a Decomposition of the Sample Space. (arXiv:1008.0204v1) Bayesian Model ... [Read more...]

Integrating R with Geany

August 4, 2010 | Shige

According to landroni, R can also be easily integrated with Geany:Download 0.19 (non-optional), then you need to set send_selection_unsafe=true in geany.conf and assign "Send selection to terminal" to a ctrl+r keybinding or similar. As long as you... [Read more...]

ggplot2 gui: Major feature set complete

August 4, 2010 | Tal Galili

(Written by Ian Fellows) There has been quite a bit of progress on the ggplot2 graphical user interface since the last post. All of the major features have been implemented, and are outlined in the vlog links below. What remains is to fix bugs, improve interface elements, and listen to ... [Read more...]

U.S. Unemployment Data: Animated Choropleth Maps

August 4, 2010 | C

I was curious about creating maps with ggplot2 - and was happy to find that great minds have long since tackled this topic.  Folks who are interested in how to learn about R (and ggplot2) might be interested in the process.  (There should be ...
[Read more...]

use R! 2010 conference — reflections

August 4, 2010 | Karsten W.

From July 20-23, this year's use R! conference took place in Gaithersburg near Washington. I attended the conference as part of my holidays in the U.S. and had a good time there. I met some people, even though that is not the easiest thing for me to do, and ... [Read more...]

R Creators Accept Statistical Computing Award

August 4, 2010 | David Smith

In a dedicated session at the JSM conference here in Vancouver, the creators of R, Robert Gentleman and Ross Ihaka, accepted their prize (announced in January, but awarded today) from the American Statistical Association for "innovation in computing, software, or graphics that has had a great impact on statistical practice ... [Read more...]

How Google and Facebook are using R

August 4, 2010 | Szilard

This is an older (2009) video from the kickoff meeting of the San Francisco Bay Area R Users Group. It was a panel discussion within the Predictive Analytics World conference. Video courtesy by Ron Fredericks of LectureMaker (click on the … Continue reading →
[Read more...]

RQuantLib 0.3.3

August 4, 2010 | Thinking inside the box

A new release (now at version 0.3.3) of RQuantLib is now on CRAN and in Debian. RQuantLib combines (some of) the quantitative analytics of QuantLib with the R statistical computing environment and language. Many of the changes in this new version ... [Read more...]

JSM 2010 [day 3]

August 4, 2010 | xi'an

The same pattern as yesterday occurred, namely that the sessions that most interested me were all together at the 10:30 and 2pm slots, while there was no talk (besides the official ones) after 4pm… After another run around Stanley Park, I took the opportunity of being late for the first session ...
[Read more...]

Suggestions for R-Chart iPhone App?

August 3, 2010 | C

Have any ideas for news sources to include in  the new R-Chart iPhone App?  I am hoping to make some revisions and fixes and figured I would get some feedback from anyone who happened download it.  Specifically, I am planning on removing...
[Read more...]
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