Blog Archives

Create odf, pdf and html report from a single Sweave document

March 25, 2010
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A lot of us know about Sweave and Latex and they work very well in creating elegant dynamic reports from R computation. However, sometimes we would like to also produce a word processing document for a colleague or a html version of the same report. Now there are tools for producing these like odfWeave. But

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Python in Sweave document

February 9, 2010
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Lately I have been using a lot of Python for signal processing and I quite like SciPy. However, I have been missing something like Sweave, which is great literate programming environment for R. Today I managed to look a bit more into it and found this hack on how to use Python code in Sweave

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ESS on Mac OS X

November 25, 2009
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One of the search terms that bring people frequently to my site is “install ESS on Mac OS X” or something like that. As it turns out installing ESS on OS X is really easy, but Google search does not really bring up good instructions. There are at least two easy options: Use Aquamacs, it

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MATLAB style stem plot with R

November 9, 2009
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MATLAB style stem plot with R

Recently I wanted to plot an impulse response function with R and missed the MATLAB style stem plot for doing it. I couldn’t find an R function for it with a quick Google search so I made my own. So here is the function and a small example : #T...

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R 64 bit on Mac OSX with ESS

August 6, 2009
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So today I compiled 64 bit R 2.91 on Mac OS X   10.5.7 in order to get maximum speed for my analyses. The speed increase I got was 15-25 %, when I ran some tests with matrix calculation and intensive loops. Note that you can also download optimized binaries from  http://r.research.att.com/, although they are

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