Blog Archives

Rcpp 0.7.5

February 9, 2010
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pre{ border: 1px solid black; font-size: x-small ; }Dirk released Rcpp 0.7.5 yesterdayThe main thing is the smarter wrap function that now uses techniques of type traits and template meta-programming to have a compile time guess at whether a...

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RProtoBuf: protocol buffers for R

February 4, 2010
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We (Dirk and I) released the initial version of our package RProtoBuf to CRAN this week. This packages brings google's protocol buffers to RI invite you to check out the main page for protobuf to find the language definition for protocol buffers ...

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Rcpp 0.7.2

January 13, 2010
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pre{ border: 1px solid black ; }Rcpp 0.7.2 is out, checkout Dirk's blog for detailsselected highlights from this new version:character vectorsif one wants to mimic this R code in C> x

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External pointers with Rcpp

January 8, 2010
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pre{ border: 1px solid black ; font-size: x-small; }One of the new features of Rcpp is the XPtr class template, which lets you treat an R external pointer as a regular pointer. For more information on external pointers, see Writing R extensions...

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R Journal, Volume 1/2, December 2009

January 7, 2010
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The issue 1/2 of the R Journal has been published. It features an article that I co-authored with Spencer Graves and Sundar Dorai-Raj about the sospackage.

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C++ exceptions at the R level

December 29, 2009
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pre{ solid black 1px;}I've recently offered an extra set of hands to Dirk to work on the Rcpp package, this serves a good excuse to learn more about C++Exception management was quite high on my list. C++ has nice exception handling (well not ...

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CPP package: exposing C++ objects

December 22, 2009
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I've just started working on the new package CPP, as usual the project is maintained in r-forge. The package aims at exposing C++ classes at the R level, starting from classes from the c++ standard template library.key to the package is the CPP f...

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new R package : bibtex

December 11, 2009
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I've pushed to CRAN the package bibtex packageThe package defines the read.bib function that reads a file in the bibtex format. The code is based on bibparseThe read.bib function generates an object of class citationList, just like utils::citation

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ohloh

December 2, 2009
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I've been invited me to create my account on ohloh

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new R package : highlight

November 22, 2009
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I finally pushed highlight to CRAN, which should be available in a few days. The package uses the information gathered by the parser package to perform syntax highlighting of R codeThe main function of the package is highlight, which takes a numb...

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