Posts Tagged ‘ r-project ’

Analysis of Missouri Sex Offender Registry Data

July 18, 2011
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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...

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What is your favorite R feature? (part 2)

What is your favorite R feature? (part 2)

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 set of tools to describe and explore data is available

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What is your favorite R feature?

What is your favorite R feature?

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 and tutorials available for R beginners. We

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Call for a Special Topic on Grid and Cloud Computing Methods in Biomedical Research

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 topic call originates from a

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Color reduction of an image – and Warholize?

July 5, 2011
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Color reduction of an image – and Warholize?

There seems to be several methods out there for reducing the colors in an image. I became interested in this after pondering how this is done in the excellent freeware program IrfanView. Unfortunately, their method is not described anywhere that I coul...

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In 4 Steps your Application (including R) is running on a Cloud Computing Cluster

In 4 Steps your Application (including R) is running on a Cloud Computing Cluster

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 cost you more than 15

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Clarke and Ainsworth’s BIOENV and BVSTEP (and BIO-BIO etc…)

June 30, 2011
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Clarke and Ainsworth’s BIOENV and BVSTEP (and BIO-BIO etc…)

Nonmetric Multidimensional Scaling (NMDS) plot of vegetation sample dissimilarities with best correlating environmental variables (left) and species (right) plotted as vectors (datasets "varespec" and "varechem" from the package ...

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A simple ggplot2 scatterplot

June 29, 2011
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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...

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New cloudnumbers.com release

June 27, 2011
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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 for the R application can be

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The R Programming Wikibook

June 27, 2011
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Visit “The R Programming wikibook” to extend your knowledge about R and to get a lot of introductions how to use it. If you are an R expert and wish to contribute your knowledge and editing skills to the project, then you can learn how to write in wiki-markup and how to edit a wikibook.

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