r-project

New release with Batch processing

October 5, 2011 | Markus (cloudnumbers.com)

This week we rolled out a new release at cloudnumbers.com which implements two new main features: cloudnumbers.com now supports Batch processing. Due to some changes in the architecture we were able to reduce our system requirements. In detail, we do not need that much open ports in your ... [Read more...]

vectorplot in rasterVis

October 2, 2011 | Oscar Perpiñán Lamigueiro

The function slopeAspect from raster provides the vector field (gradient) from a scalar field stored in a RasterLayer object. The magnitude (slope) and direction (aspect) of the vector field is usually displayed with a set of arrows (e.g. quiver in Matlab). rasterVis includes now a method, vectorplot, to calculate ... [Read more...]

A simple example for writting parallel code

September 7, 2011 | Markus (cloudnumbers.com)

Today, programmers have to deal with multi-core and multi-computer technologies. Several people claim that software developers are far behind hardware technologies. My two favorite posts for this statement are Editor’s Desk: Software Lags Behind Hardware, But That’s a Good Thing A Hacker’s Craic -Why is software so ... [Read more...]

HPC news from the useR2011 conference

August 18, 2011 | Markus (cloudnumbers.com)

It was an exciting useR2011 conference at the University of Warwick, Coventry, UK. Thanks a lot to the local organizing and program committee for having this great conference. I enjoyed the variety of talks, the poster session and the conference dinner and everything within walking distance. In view of HPC ... [Read more...]

High-Performance in Cloud Computing

August 11, 2011 | Markus (cloudnumbers.com)

Very often scientists are worried about performance and security in cloud computing. Especially, when talking about High-Performance Computing (HPC) in the cloud it is a very important aspect to proof efficient calculation speed in the cloud. Cloud computing describes a new delivery model for IT services based on Internet protocols, ... [Read more...]

RStudio available at cloudnumbers.com

July 27, 2011 | Markus (cloudnumbers.com)

RStudio™ is an integrated development environment (IDE) for the statistical software R (www.r-project.org). It combines an intuitive user interface with powerful coding tools to help you get the most out of R. cloudnumbers.com provides researchers and companies with the access to resources to perform high performance calculations ... [Read more...]

What is your favorite R feature? (part 2)

July 14, 2011 | Markus (cloudnumbers.com)

This week in our blog we started a list of great R code (www.r-project.org) snippets: http://cloudnumbers.com/what-is-your-favorite-r-feature We are going to extend this list with several more nice R features. Please feel free to add comments with your favorite R code snippets. Descriptive statistics: A huge ... [Read more...]

What is your favorite R feature?

July 12, 2011 | Markus (cloudnumbers.com)

R (www.r-project.org) is a free and strongly functional language and environment for statistical computing. You can explore data sets, make graphical displays of data, run statistical simulations and many more. If you never used R you should give it a try! R beginners: There are many courses, slides ... [Read more...]

A simple ggplot2 scatterplot

June 29, 2011 | Luke Miller

Here’s a bit of code used to produce one of the figures in my recent paper dealing with modeling rocky intertidal snail body temperatures. This was my first foray into ggplot2, and it only involved a few hours of head-scratching. The plot is a co... [Read more...]

New cloudnumbers.com release

June 27, 2011 | Markus

We are very proud to announce our cloudnumbers.com release number 5! In the last days we rolled out several releases and bug fixes. Cloudnumbers.com now supports many more features and has an optimized startup process. This is a list of our main and very important new features: Bioconductor packages ... [Read more...]

New Issue in the R Journal

June 23, 2011 | Markus

Today, the first issue of the third volume of The R Journal was published: http://journal.r-project.org/current.html. The R Journal intends to reach a wide audience and is one of the main communication media in the R community. Usually, two issues are published each year. This issue ... [Read more...]
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