Just before Xmas, Conrad Sanderson released version 1.1.0 of Armadillo, his templated C++ library for linear algebra. Which I only noticed this week, so here comes version 0.2.11 of RcppArmadillo, our Rcpp-based integration into R. The only other ... [Read more...]

One week ago, I sent the updated announcement below to the r-sig-finance list; this was kindly blogged about by fellow committee member Josh and by our pal Dave @ REvo. By now. I also updated the R / Finance conference website. So to round things ... [Read more...]

The text below went out as a post to the r-packages list a few days ago, but I thought it would make sense to post it on the blog too. So with a little html markup... Summary Version 0.9.0 of the Rcpp package is now on CRAN and its mirrors. Thi... [Read more...]

A new version of our RcppExamples, package is now on CRAN. RcppExamples contains a few illustrations of how to use Rcpp. It grew out of documentation for the classic API (now in its own package RcppClassic) and we added more functions documenting... [Read more...]

A new release 0.9.0 of Rcpp is now available at CRAN and has just been uploaded to Debian. As always, sources are also available from my local directory here. With this release, the older API which we have been referring to as the classic Rcpp A... [Read more...]

We had another meeting of the Chicago R User Group last evening. This was scheduled somewhat belatedly once we learned that Drew Conway would be in town. Drew gave a very nice talk about his brand new infochimps package (for accessing the eponymous i... [Read more...]

A new package RcppDE has been uploaded in a first version 0.1.0 to CRAN. It provides differential evolution optimisation---a variant of stochastic optimisation that is similar to genetic algorithms but particularly suitable for the floating-point repr... [Read more...]

Romain pushed verion 0.3.8 of inline to CRAN earlier today, and I just updated the Debian package. This version adds an internal performance enhancement which is obtained by making due with fewer reads. The short NEWS file entry follows: 0.3.8 2... [Read more...]

Earlier in the year, Romain and I did a bunch of initial work on a wrapper from R to the GNU GSL by way of our Rcpp package for seamless R and C++ integration. But other work kept us busy and this fell a little to the side. We have ... [Read more...]

The new RQuantLib release 0.3.5 is now on CRAN and in Debian. RQuantLib combines (some of) the quantitative analytics of QuantLib with the R statistical computing environment and language. Most of the changes were made two and four weeks ago: fir... [Read more...]

Conrad Sanderson released version 1.0.0 of Armadillo, his templated C++ library for linear algebra, earlier this week. So congratulations to Conrad on reaching 1.0.0! I folded his version 1.0.0 into a new release 0.2.10 of RcppArmadillo, our Rcpp-base... [Read more...]

The new version 0.2.9 of RcppArmadillo has been uploaded to CRAN. The only change is an update of the included Armadillo template library to version 0.9.92 which Conrad released this week. RcppArmadillo makes it easy to write highly efficient and hi... [Read more...]

A bug-fix release 0.3.7 of inline is now on CRAN and at Debian. It fixes a minor bug: when package.skeleton() was called to convert one or more functions created with this package into a package, the corner case of just a single submitted function ... [Read more...]

A bug-fix release 0.8.8 of Rcpp is now available. It is awaiting processing at CRAN, and will be uploaded to Debian once processed at CRAN. In the meantime, sources are available from my local directory here. This release follows on the heels o... [Read more...]

Last Friday, Romain and I were guests of the R intergrouplet (what an adorable name!) at Google's headquarter in Mountain View. This arose out of discussions following useR! 2010 where we met Google's Murray Stokely. There appears to be ever increasi... [Read more...]

A fresh minor release of RProtoBuf, now at version 0.2.1, has appeared earlier today on CRAN. RProtoBuf provides GNU R bindings for the Google Protobuf data encoding library used and released by Google. This releases extends the recent 0.2.0 re... [Read more...]

After a somewhat long hiatus, RPostgreSQL version 0.1-7 has now been released to CRAN. RPostgreSQL connects R to PostgreSQL database systems using the standard DBI interface. This version fixes a number of issues that had been compiled in the issu... [Read more...]

Version 0.2.8 of RcppArmadillo is now on CRAN. This updates the included Armadillo template library to version 0.9.90 which Conrad released two few days ago. RcppArmadillo makes it easy to write highly efficient and highly readable C++ code for line... [Read more...]

With the scheduled R release of version 2.12.0 this morning, we have just uploaded version 0.8.7 of Rcpp to CRAN; Debian will follow shortly once the autobuilders have processed R 2.12.0 This Rcpp release depends on R 2.12.0 as two things have cha... [Read more...]

It's the Monday of the Columbus Day weekend here, so I must have been running a Chicago Marathon yesterday. Indeed -- the 34th annual Chicago Marathon took place yesterday but everything was about its 10/10/10 date. The symmetric set of numbers was i... [Read more...]