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...]

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...]

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...]

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...]

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...]

Computer Assisted Reporting This is the last of four articles about analyzing distances between sex offenders and child daycare centers in Missouri as part of a joint project with KSHB NBC Action News in Kansas City. The previous two articles gave deta... [Read more...]

Computer Assisted Reporting This is the third of four articles about analyzing distances between sex offenders and child daycare centers in Missouri as part of a joint project with KSHB NBC Action News in Kansas City. The previous article explained how... [Read more...]

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...]

Computer Assisted Reporting This is the second of four articles about analyzing distances between sex offenders and child daycare centers in Missouri as part of a joint project with KSHB NBC Action News in Kansas City. The previous article gave details... [Read more...]

Computer Assisted Reporting This is the first of three articles about analyzing distances between sex offenders and child daycare centers in Missouri as part of a joint project with KSHB NBC Action News in Kansas City. The Missouri State Highway Patrol... [Read more...]

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...]

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...]

Today, the AG Statistical Computing released the “Call for a Special Topic on Grid and Cloud Computing” in the Journal “Methods of Information in Medicine”. We are inviting submissions for a special topic of Methods of Information in Medicine on “Grid and Cloud Computing Methods in Biomedical Research“. This special ... [Read more...]

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Today, cloud computing is used in many application areas from academic research to industry. Commercial cloud providers as Amazon Web Services (AWS) advertise the simple and fast access to cloud computing resources. Posts in different blogs proof that you can get your application running in the cloud, but it will ... [Read more...]

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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...]

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...]

The June 2011 issue of The R Journal contains an article on the R package digitize (link to pdf) by Timothée Poisot. This might prove to be a handy tool if you occasionally find yourself needing to retrieve data points from figures in old articles for... [Read more...]

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...]