Posts Tagged ‘ unix ’

Using R — Standalone Scripts & Error Messages

December 5, 2011
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Open-source R is an amazing tool for statistical analysis and data visualization. Serious R gurus have found ways to do just about anything entirely within the R environment. Nevertheless, there are many of us who wish to plug R into …  ...

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Don Quijote — Word Statistics

June 4, 2011
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Don Quijote — Word Statistics

Using the Gutenberg Project’s free text of Don Quijote + Unix for Poets, here are the most used (non-short) words in Miguel de Cervantes’ famous work: 2167 Quijote 2145 Sancho 1331 porque 1053 respondió 1027 había  900 merced  813 vuestra  79...

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The wonderful world of vim

July 20, 2010
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The wonderful world of vim

When searching for a way to recover control carriage return symbols ^M into genuine ones (under vim), I found this handy page of vim tips. And then saw that the enthusiastic author had even a blog about vim! Obviously, this post will be meaningless for all readers not aware of the joys of the vim

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email yourself when a script or a job is done

December 15, 2009
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i usually run long simulations in R on a remote server. i’ve read an article on linux journal about emailing yourself after something happens…i forgot. since my jobs are long, and i usually have to run multiple jobs sequentially, it’d be nice to look at my results immediately when they’re gone. good thing *nix based

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Compiling and Cross-compiling R packages for Windows (win32)

September 3, 2009
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so recently i’m learning how to compile and cross-compile R packages from source for windows machines, which means i have to create windows binaries. the first option is to build on a windows system, and the 2nd is to cross-build on an intel-based linux or mac system. i will outline my experience. Send it off

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Remove files with a specific pattern in R

July 3, 2009
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Remove files with a specific pattern in R

A quick basic tip which can come in handy whether you need to rapidly remove files from a directory:junk <- dir(path="your_path", pattern="your_pattern") # ?dirfile.remove(junk) # ?file.removeClearly, for advanced needs, you can use system() and al...

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Run a remote R session in emacs: emacs + ESS + R + ssh

June 1, 2009
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I don’t know how, but somehow, i stumbled on how to do this. I’ve always used emacs with ESS to run R, since spring 2006 (did it on windows, switched to linux, for years, and most recently, on my macbook). I liked this because i get the same usual interface across ALL platforms (well, maybe

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screen in ubuntu 9.04

April 29, 2009
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screen in ubuntu 9.04

As I told in a previous post, I consider the unix tool screen essential for my work. It seems that the just released Ubuntu 9.04  contains a package that make it easier to configure and use. You can find the full story here.

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Multiple plot in a single image using ImageMagick

March 31, 2009
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Multiple plot in a single image using ImageMagick

Sometimes you need to add several plots/images either by row or by column to a single page/sheet.If you generate all your plot with R base graphics you can easily accomplished the task using the par() function, e.g., using par(mfrow=c(2,2)) and then dr...

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