Blog Archives

Sweave.sh plays with weaver

January 21, 2009
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Sweave.sh plays with weaver

After adding support for the cacheSweave package (see here) I have also added support for the weaver package to my Sweave.sh script. The experimental version is available here. After testing and feedback I will upload it to CRAN. One can use this new f...

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Versions of Sweave.sh

January 16, 2009
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Versions of Sweave.sh

There are now many places where one can find "my" Sweave.sh shell script for running Sweave and post processing with LaTeX directly from the command line. I published first version of Sweave.sh here (web page of the department). Later I moved my pages ...

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Use of include and input in Sweave documents

January 16, 2009
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Use of include and input in Sweave documents

When you write a large structured document using LaTeX, it is wise to use \input{} and/or \include{} commands (see here for a nice description). However, you can not "fully" use these two commands with Sweave documents. You can use them, but when you w...

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Creating R Packages: A Tutorial

January 16, 2009
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Creating R Packages: A Tutorial

See here.

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New York Times on R

January 7, 2009
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New York Times on R

This article by New York Times surely shows that R is one of mainstream statistical packages.Update: See also a followup article.

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New stuff in the gdata R package

December 30, 2008
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New stuff in the gdata R package

I have moved quite some functions from my "testing/playground" R package ggmisc to the gdata package. Bellow is the relevant text from the NEWS file. Here are the links:SVNSource packageWindows ZIP packageNEWS:New function .runRUnitTestsGdata that enab...

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High-Performance Computing with R

December 25, 2008
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High-Performance Computing with R

Dirk has posted a new version of slides for a tutorial "Introduction to High-Performance Computing with R".

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gdata gains trimSum function

December 20, 2008
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gdata gains trimSum function

I was doing some drawing in R and I needed to trim some values to keep the data (x axis) in reasonable limits, but I did not want to loose that info. Therefore, I summed the values that would be trimmed. Since I was repeating this, I wrote a function a...

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Rtools and Cygwin on MS Windows

December 20, 2008
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Rtools and Cygwin on MS Windows

Duncan Murdoch provides Rtools which ease the installation of tools that are needed to do R package development/testing on MS Windows. The Rtools is a collection of various tools. However, if you also use Cygwin on MS Windows, you can expect problems s...

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Memory limit management in R

December 13, 2008
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Memory limit management in R

R keeps all the data in RAM. I think I read somewhere that S+ does not hold all the data in RAM, which makes S+ slower than R. On the other hand, when we have a lot of data, R chockes. I know that SAS at some "periods" keeps data (tables) on disk in sp...

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