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- Revolution Analytics 'foreach' (supports multiple back-ends, including AWS EC2)
- Google foreach-GCompute integration
- Parallel R
- The BioC group has set up an AWS CloudFormation template: http://bioconductor/help/bioconductor-cloud-ami/#parallel
- http://www.bioconductor.org/help/course-materials/2006/BioC2006/labs/mmorgan/ParallelR.pdf
- Chris Bare (Unlicensed) put together some documentation for Interactive distributed computing in R
- Segue (R wrapper around AWS MapReduce, http://code.google.com/p/segue/)
- RHIPE (R wrapper around Hadoop, http://www.datadr.org/)
- much, much more: http://cran.r-project.org/web/views/HighPerformanceComputing.html
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