I was in useR! last week, it was great to catch up with friends, see what people are doing with R, tell people what I am doing with R, etc ... the conference was great
This year I presented with Dirk in Laurel and Hardy mode and I've uploaded our ... [Read more...]
I've uploaded version 0.2-1 of my bibtex package to CRAN.
This release anticipates changes in R 2.12.0, and structures bibtex entries in object of the new class bibentry. The release also fixes various parser and lexer bugs [Read more...]
I presented Rcpp at the Rmetrics conference earlier today, this was a really good opportunity to look back at all the work Dirk and I have been commiting into Rcpp.
I've uploaded my slides here (pdf) and on slideshare :
Rcpp: Seemless R and C++V... [Read more...]
It does not quite respect the one color only requirements of the mango's t-shirt contest, but I played with Shape Collage and the graphics from the graph gallery to make this
[Read more...]
I've released version 0.2-0 of highlight to CRAN
This version brings some more additions to the sweave driver that uses highlight to produce nice looking vignettes with color coded R chunks
The driver gains new arguments boxes, bg and border
to c... [Read more...]
The version 0.1-8 of highlight
introduced a small bug in the latex renderer.
This is now fixed in version 0.1-9 and the latex renderer also gains an argument "minipage" which wraps the latex code in a minipage environment. I've used this to make... [Read more...]
The 4th User/Developer Meeting on computational Finance and Financial Engineering (Rmetrics 2010) will take place once again in Meielisalp.
This is the first time I'll attend the conference, but I'm not coming empty handed. I'll present the wo...
I've pushed version 0.1-8 of highlight to CRAN. highlight is a syntax highlighter for R that renders R source code into some markup language, the package ships html and latex renderers but is flexible enough to handle other formats. Syntax highligh... [Read more...]
Armadillo
Armadillo is a C++ linear algebra library aiming towards a good balance
between speed and ease of use. Integer, floating point and complex numbers
are supported, as well as a subset of trigonometric and statistics
functions. Various matr... [Read more...]
The new help system that was introduced in R 2.10.0 and documented in an article of the R journal is very promising.
One thing that is planned for future versions of R (maybe 2.12.0) is some way to include images into Rd documents using the fig option of the Sexpr macro
Another ... [Read more...]
The next version of R includes support for raster images in standard and grid graphics.
The RImageJ package uses ImageJ through rJava to read and manipulate images from various formats
Paul Murrell closed the gap and contributed code that allows...
pre{
border: 1px solid black ;
font-size: small ;
}
A good 2 days after 0.7.6 was released, here comes Rcpp 0.7.7. The reason for this release is that a subtle bug installed itself and we did not catch it in time
The new version also includes ... [Read more...]
pre{
border: 1px solid black ;
font-size: small;
}
I've pushed the version 0.1-5 of highlight to CRAN, it should be available in a couple of days.
This version fixes highlighting of code when one wants to display the prompt and the continue pr... [Read more...]
pre{
border: 1px solid black;
font-size: x-small ;
}
Dirk released Rcpp 0.7.5 yesterday
The 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... [Read more...]
We (Dirk and I) released the initial version of our package RProtoBuf to CRAN this week. This packages brings google's protocol buffers to R
I invite you to check out the main page for protobuf to find the language definition for protocol buffers ... [Read more...]
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Rcpp 0.7.2 is out, checkout Dirk's blog for details
selected highlights from this new version:
character vectors
if one wants to mimic this R code in C
__ x [Read more...]
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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... [Read more...]
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. [Read more...]