Articles by romain francois

Rcpp Workshop slides

April 29, 2011 | romain francois

Dirk and I gave a full day Rcpp workshop yesterday in Chicago before the R in Finance conference. The pdfs of the slides are available here: part 1 (intro), part 2 (details), part 3 (modules) and part 4 (applications) [Read more...]

Rcpp at Geneva-R

March 2, 2011 | romain francois

I'll present Rcpp at the inaugural Geneva-R meeting. Geneva-R is an informal gathering of R enthusiasts sponsored by Mango Solutions, that builds on the success of London-R, where I presented twice, and Basel-R [Read more...]

highlight 0.2-5

December 7, 2010 | romain francois

I pushed highlight 0.2-5 on CRAN. This release improves the latex renderer and the sweave driver so that multiple lines character strings are properly rendered. This example vignette shows it: \documentclass[a4paper]{report} \begin{document} = old.op [Read more...]

Evolution of Rcpp code size

December 3, 2010 | romain francois

I've been contributing to Rcpp for about a year now, initially to add missing bits that were needed for the development of RProtoBuf. This led to a complete redesign of the API, which now goes way beyond the initial code (that we now call c... [Read more...]

parser 0.0-12

November 28, 2010 | romain francois

I've pushed a new version of the parser package to CRAN. This is the first release that depends on Rcpp, which allowed me to reduce the code size and increase its maintainability. This also features a faster version of nlines, a function that r... [Read more...]

Rcpp 0.8.9

November 28, 2010 | romain francois

Rcpp 0.8.9 was pushed to CRAN recently. Apart from minor bug fixes, this release concentrates on modules, with lots of new features to expose C++ functions and classes through R reference classes. The Rcpp-modules vignette has all the details, a... [Read more...]

ZAT! 2010

November 13, 2010 | romain francois

Tomorrow is the last day to enjoy the first edition of Montpellier's ZAT! (Zones Artistiques Temporaires). I was there this afternoon and tonight, but I found it much more picture worthy tonight: Other people have also taken pictures and sha... [Read more...]

What would impressionnists do with R ?

November 12, 2010 | romain francois

I've been playing with images recently, probably inspired from my trip in San Francisco. There was an exhibit at the De Young museum of fine arts with pieces borrowed from the Musée d'Orsay. I did not go to the exhibit because it is easy enough fo... [Read more...]

Google slides

October 22, 2010 | romain francois

Last stop on my World tour was Google headquarters in Mountain View, California, where Dirk and I presented Rcpp, RInside, RProtoBuf, etc ... for 90 minutes today. The talk was recorded, and will be broadcasted on youtube at some point. In the mean... [Read more...]

Chicago R Meetup slides

October 21, 2010 | romain francois

Second stop of my world tour was chicago yesterday night, where I presented a quick light review of various ways to represent objects in R: lexical scoping, S3, S4, the new reference classes and also with C++ using Rcpp modules or RProtoBuf My sli... [Read more...]

LondonR Rcpp slides

October 7, 2010 | romain francois

I'm just back to london where I presented about Rcpp at mango's LondonR event. This was the third time (after rmetrics and useR!) I presented these slides, so I allowed myself some new metaphores about my long term relationship with R and my ind... [Read more...]

Rcpp 0.8.6

September 10, 2010 | romain francois

Dirk released Rcpp 0.8.6 to CRAN Most of the development of this release was trigerred by a question on the Rcpp-devel mailing list. After Richard's question, we added d-p-q-r functions for most of the distributions available in R. The file runit... [Read more...]

Rcpp svn revision 2000

August 13, 2010 | romain francois

I commited the 2000th revision of Rcpp svn today, so I wanted to look back at what I did previously with the 50 000th R commit. Here are the number of commits per day and month ... the same thing, but focused on the period since I joined the project ... and now ... [Read more...]

highlight 0.2-2

July 31, 2010 | romain francois

I've released highlight 0.2-2 to CRAN. This release adds the possibility to control the font size of the latex code generated by sweave (when using the driver that is provided by highlight) For example, this C++ code (using Rcpp) will be highlight... [Read more...]
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