Posts Tagged ‘ r-project ’

Batch Processing vs. Interactive Sessions

October 26, 2011
By
Batch Processing vs. Interactive Sessions

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 data and commands

Read more »

New release with Batch processing

October 5, 2011
By

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 firewall. Please check our updated System Requirements

Read more »

vectorplot in rasterVis

October 2, 2011
By
vectorplot in rasterVis

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 and display this vector field

Read more »

A simple example for writting parallel code

September 7, 2011
By
A simple example for writting parallel code

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 far behind hardware? Parallel computing is not that

Read more »

HPC news from the useR2011 conference

August 18, 2011
By

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 for R I learned: The

Read more »

High-Performance in Cloud Computing

August 11, 2011
By
High-Performance in Cloud Computing

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, and it typically involves provisioning

Read more »

Displaying Missouri sex offender/child day care facility proximity map using batchgeo.com

July 28, 2011
By

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 »

Computing distance matrix between Missouri sex offenders and child daycare facilities

July 28, 2011
By

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 available at cloudnumbers.com

RStudio available at 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 in the cloud. One often used application at cloudnumbers.com’s

Read more »

Geocoding addresses from Missouri Sex Offender Registry

July 19, 2011
By

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 »