Posts Tagged ‘ foreach ’

Parallelization using plyr: loading objects and packages into worker nodes

November 14, 2011
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I really love the plyr package. Apart from having a progress bar and plyr handeling a lot of the overhead, a very interesting feature is being able to run plyr in parallel mode. Essentially, setting .parallel = TRUE runs any… See more ›

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Conway’s Game of Life in R with ggplot2 and animation

June 5, 2011
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Conway’s Game of Life in R with ggplot2 and animation

In undergrad I had a computer science professor that piqued my interest in applied mathematics, beginning with Conway’s Game of Life. At first, the Game of Life (not the board game) appears to be quite simple — perhaps, too simple — but it has been widely explored and is useful for modeling systems over time.

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Using the {plyr} (1.2) package parallel processing backend with windows

September 11, 2010
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Hadley Wickham has just announced the release of a new R package “reshape2” which is (as Hadley wrote) “a reboot of the reshape package”. Alongside, Hadley announced the release of plyr 1.2.1 (now faster and with support to parallel computation!). Both releases are exciting due to a significant speed increase they have now gained. Yet in case of the new plyr...

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Parallel Multicore Processing with R (on Windows)

April 21, 2010
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Parallel Processing backend for R under windows - installation tips and some examples.

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