July 2010

Taking R to the Limit: Parallelization

July 29, 2010 | Szilard

Video, slides and code of the talk “Taking R to the Limit: Parallelization” by Ryan Rosario at the Los Angeles area R Users Group in July 2010 as follows. Slides: R code: here. Video: If you have a question to … Continue reading →
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Notes from useR! 2010

July 29, 2010 | Ellen Ko

R is a free software environment for statistical computing and graphics, used by a growing number of economists, engineers, and data analysts every day at Google. We’ve even published our R Style Guide on Google Code. The R community has done a lot of great work with Google APIs, ... [Read more...]

Blogging about R – presentation and audio

July 28, 2010 | Tal Galili

At the useR!2010 conference I had the honor of giving a (~15 minute) talk titled “Blogging about R”. The following is the abstract I submited, followed by the slides of the talk and the audio file of a recording I made of the talk (I am sad it got a bit ... [Read more...]

RUG Introduction: Los Angeles area R Users Group

July 28, 2010 | Szilard

A nice group of people from academia and industry meeting about once a month at UCLA. Attendance is usually 30-40, but gradually increasing (also about 300 registered members). If you’d like to join, visit the group’s website: http://www.meetup.com/LAarea-R-usergroup/, you’ll find … Continue reading →
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IPSUR book used LyX-Sweave

July 28, 2010 | Gregor Gorjanc

Jay Kerns wrote a book titled "Introduction to Probability and Statistics Using R" or IPSUR for short. He has put up a web site for the book and Rcmdr plugin. There are at least two very important points from my side (I did not read the book, yet): 1. ... [Read more...]

Taking R to Eleven

July 28, 2010 | David Smith

R, the open-source statistical software system, is certainly a hot topic these days. It's been the subject of increasing media interest over the last year or so, and the user community is expanding rapidly: there are now about 40 R user groups around the world, and last week's worldwide R User ... [Read more...]

Social contagion? Maybe not…

July 28, 2010 | Michal

Recently there was a lot of racket about results presented in papers by a pair Nicholas Christakis & James Fowler. Their papers gained a lot of attention both in the academic world as well as in media. In their papers they claim to provide evidence for social contagion (transmission through social ... [Read more...]

Seamless R and C++ integration

July 28, 2010 | Szilard

Video of the talk “Seamless R and C++ integration” by Dirk Eddelbuettel at the Los Angeles area R Users Group in March 2010 (to see the video in a larger size, click inside the video but outside the play button):
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A summer of books

July 27, 2010 | xi'an

The summer started with a research in pair session in CiRM on the R edition of Bayesian Core, but I am also involved two other book projects. The first one was mentioned in a previous post, namely the translation of Introducing Monte Carlo Methods with R into French. I have ...
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Mystery solved: The discrepancy in homicide data

July 27, 2010 | Diego Valle-Jones

I've been complaining about how homicide statistics from police sources were too low in 2009, with the entire state of Chihuahua having less homicides than its biggest city. I was thinking of finding out if I could use the IFAI (Freedom of Information Access) to obtain the original CIEISP forms which ... [Read more...]

useR! 2010

July 27, 2010 | romain francois

I was in useR! last week, it was great to catch up with friends, see what people are doing with R, tell people what I am doing with R, etc ... the conference was great This year I presented with Dirk in Laurel and Hardy mode and I've uploaded our ... [Read more...]

rgeos – Update

July 27, 2010 | rundel

So I have been remiss in posting updates of progress on rgeos as my summer has gotten busier but the project is progressing smoothly and everything is on schedule. We have just recently passed an important personal milestone, parsing and running of all the JTS unit tests are now working ... [Read more...]

Statistical Analysis StackExchange site now available

July 26, 2010 | Rob J Hyndman

The Q&A site for statistical analysis, data mining, data visualization, and everything else to do with data analysis has finally been launched. Please head over to stats.StackExchange.com and start asking and answering questions. Also, spread the word to everyone else who may be interested — work colleagues, students, ...
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Hacker News User Base Changed?

July 26, 2010 | C

There are lots of references on Hacker news to the fact that the "good old days" are gone and that the character of the site has changed since it started.  The visualization above was based on a sample of users that posted on the site in recent ti...
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Rcpp 0.8.5

July 26, 2010 | Thinking inside the box

A new release (now at version 0.8.5) of Rcpp is now on CRAN and in Debian. This release constitutes a quick follow-up to the last release 0.8.4 which we got out just before CRAN closed for summer vacations. Some fixes were made right after last rel... [Read more...]
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