unix

Using R — Standalone Scripts & Error Messages

December 5, 2011 | 0 Comments

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 …  &#16... [Read more...]

Don Quijote — Word Statistics

June 4, 2011 | 0 Comments

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... [Read more...]

The wonderful world of vim

July 20, 2010 | 0 Comments

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 ...
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email yourself when a script or a job is done

December 15, 2009 | 0 Comments

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 ... [Read more...]

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

September 3, 2009 | 0 Comments

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 ... [Read more...]

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

June 1, 2009 | 0 Comments

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 ... [Read more...]

screen in ubuntu 9.04

April 29, 2009 | 0 Comments

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 | 0 Comments

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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