January 2009

Visualizing Eigenfactors

January 30, 2009 | 0 Comments

These interactive graphics are simply beautiful. And they just so happen to be profoundly informative about the structure of modern science as well. Here’s to the hope that we will see more work from Moritz Stefaner soon that shows how our aesthetic ... [Read more...]

Runing R in the Command Mode in the Window system

January 29, 2009 | 0 Comments

Just when I am about to convert myself into a Linux user, I found this. Running R in the command mode in the Window system is much faster. Here is a simple test:in the Window interface:__ system.time(rnorm(1000000)%*%rnorm(1000000)) user system elapsed 1.06 0.05 1.14 in the command mode__ system.time(... [Read more...]

MCMCglmm package for R

January 29, 2009 | 0 Comments

Jarrod Hadfield published MCMCglmm package on CRAN. The package can fit generalised linear mixed models via MCMC methods. Bellow is the abstract from the vignette. The list of supported models is quite impressive. Nice job Jarrod! This is not the first...
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InDesign: Export Selection to PDF

January 29, 2009 | 0 Comments

I abuse Adobe InDesign sometimes for creating artwork, for instance to make gant diagrams. Usually, I do not want to export a complete page to pdf in those cases, but only the boxes and text that’s going to make up the illustration. Automaticatio... [Read more...]

Controlling margins and axes with oma and mgp

January 26, 2009 | 0 Comments

When creating graphs, we're usually most concerned with what happens near the center of our displays, as this is where most of the important information is generally held. But sometimes, either for aesthetics or clarity, we want to adjust what's outsi... [Read more...]

New CRAN Task View on HPC

January 24, 2009 | 0 Comments

A while back, I suggested to Achim to add a new CRAN Task View for High Performance Computing with R. And as of a day or two ago, we now have the new CRAN Task View for High Performance Computing with R providing an overview about available packages, grouped thematically, ... [Read more...]

R Programmer – Calgary

January 23, 2009 | 0 Comments

Originally posted on r-sig-jobs listserv: Hello All, We are in ned of an R programmer for a project in Calgary, Alberta, Canada. We need the person to be local as the project involves coordination of a series of experts. The project is only about 150... [Read more...]

Install JAGS and rjags in Fedora

January 23, 2009 | 0 Comments

JAGS was developed to help those non-Window users to be able to use BUGS. However, I found it is very hard to install JAGS and its R package-rjags. Here is my note on how to install JAGS and rjags in Fedora 10. The note here should work for all Linu... [Read more...]

EMBL Heidelberg seeks a Bioinformatician / Data Analyst

January 21, 2009 | 0 Comments

Originally posted on r-sig-jobs listserv: Hello, Might be interesting for some of you: Bioinformatician / Data Analyst Grade: 5 or 6, depending on experience EMBL site: EMBL Heidelberg Commencing date: As sooon as possible, after closing date (28 February 2009) read more [Read more...]

Sweave.sh plays with weaver

January 21, 2009 | 0 Comments

After adding support for the cacheSweave package (see here) I have also added support for the weaver package to my Sweave.sh script. The experimental version is available here. After testing and feedback I will upload it to CRAN. One can use this new f...
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Customizing R: startup script

January 19, 2009 | 0 Comments

While R is certainly a great tool, some functions seem to be missing. Take for instance the standard error, for some reason there is no standard function included, while you would expect se(x) to work. Therefore I usually include a couple of functions,... [Read more...]

Maximum likelihood estimation in R

January 18, 2009 | 0 Comments

Maximum likelihood estimation can be implemented like Quasi-maximum likelihood in Matlab, You can also write an R function which computes out the likelihood function. As always in R, this can be done in several different ways.One issue is that of rest... [Read more...]

R vs. SAS

January 17, 2009 | 0 Comments

Everything started with the article in the NYT talking about R – and of course – did mention SAS. Andrew Gelman picked up the article and posted his take on the matter. Maybe it are sentences like Andrew’s “And it’s good to hear that SAS is in trouble” and Anne ... [Read more...]
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