Articles by Markus (

The next generation of parallel R

November 2, 2011 | Markus (

In view of open-source parallel computing with R this week presents a big step to the future. R 2.14.0 was released at October 31th, 2011. Now, R base ships with a parallel computing package called “parallel”.  library(parallel) It combines advantages of the packages multicore and snow and it contains support for ... [Read more...]

Batch Processing vs. Interactive Sessions

October 26, 2011 | Markus (

We introduced batch processing 3 weeks ago. Many people asked about differences and benefits of batch processing or interactive sessions. Lets start with the definitions: Batch Processing / Batch Jobs: Batch processing is the execution of a series of programs or only one task on a computer environment without manual intervention. All ... [Read more...]

New release with Batch processing

October 5, 2011 | Markus (

This week we rolled out a new release at which implements two new main features: 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...]

A simple example for writting parallel code

September 7, 2011 | Markus (

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 (

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 (

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

July 27, 2011 | Markus (

RStudio™ is an integrated development environment (IDE) for the statistical software R ( It combines an intuitive user interface with powerful coding tools to help you get the most out of R. 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 (

This week in our blog we started a list of great R code ( snippets: 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 (

R ( 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...]

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