Monthly Archives: January 2010

Because it’s Friday: The Internet is Made of Cats

January 22, 2010
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Here's a fascinating video that looks at the exponential growth of broadband technology and network-based models ... uh ... who am I kidding? This video has nothing to do with R, statistics, or open-source. It's about cats. But it's funny. And it's Friday. (Some slightly NSFW language, but it's in a strong British accent so you might not even...

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Haplotype names in R

January 21, 2010
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Emmanuel Paradis, the mastermind behind 'ape' has struck again. This time he brings us the 'pegas' package, the Population and Evolutionary Genetic Analysis system. This package has a function that collapses the haplotypes (unique DNA sequences) in a DNA alignment, something which is extremely useful in various analyses and in the calculation of genetic diversity. library(ape)library(pegas)data(woodmouse)x h h...

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Rcpp 0.7.3

January 21, 2010
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A quick nine days after release 0.7.2 of Rcpp, our R / C++ interface classes, Romain and I are happy to roll out a new version 0.7.3. It has been uploaded to CRAN and Debian, and mirrors should have the new versions shortly. As before, my local page...

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M. Edward (Ed) Borasky

January 21, 2010
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Download "Getting Started with the Social Media Analytics Research Toolkit" (pdf, 1.25 megabytes) Download the Social Media Analytics Research Toolkit Media Inactivist, Thought Follower, Sit-Down Comic, Social Media Analytics Researcher, Former Boy Gen...

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Short Monte Carlo course in San Antonio

January 21, 2010
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Short Monte Carlo course in San Antonio

Just a reminder that I will teach a very short course on March 17 in San Antonio, Texas, based on our “Introducing Monte Carlo Methods with R” book, in the first day of the meeting  Frontiers of Statistical Decision Making and Bayesian Analysis, in honour of Jim Berger, There still are a

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How to make a heat map in R

January 21, 2010
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How to make a heat map in R

FlowingData has just posted a nice step-by-step tutorial on how to make a heat-map in R, like this one on attributes of NBA scorers: If you want to take the concept a step further with time-series data, you can also create calendar heat-maps in R. For example, you can track the level of activity in a forum, or the...

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Web Development with R

January 21, 2010
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Presentations given at the Bay Area useR Group on January 10, 2010 by Jeroen Ooms, on how to create web applications use R. UPDATE: To view an alternative HD quality click here

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R AnalyticFlow

January 21, 2010
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R AnalyticFlow

R AnalyticFlow seems to be a nice tool to have a good overview over the analysis. The same kind of mode is available in Orange and SAS Enterprise Guide. I have not tried it yet, though. Does anyone have any experiences with it?Update on 2010-07-31: the...

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writeNIfTI() is fully compatible with FSLView

January 21, 2010
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With the NIfTI-1 header extensions the world is your oyster.  We decided that one use for such a capability is to keep an audit trail of all operations performed on the image data volume.  This is a key feature in the dcemriS4 package.  ...

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UseR 2010 and commercial applications of R

January 21, 2010
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Preparations are well underway for the annual R user conference useR! 2010, to be held at NIST (about 25 miles outside of Washington, DC) July 20-23. This meeting is a true user conference: almost all of the presentations at the conference are contributed by ordinary R users. So, to continue the success of previous years the conference committee needs...

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