Publications by Thinking inside the box
Rcpp 0.9.0 announcement
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. This release marks another step in the development of the package, and a few key points are highlighted...
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R / Finance 2011 Call for Papers: Updated and expanded
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 off, a quick post here is in order as well. It may even get a few of the esteemed reader to make a...
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RcppArmadillo 0.2.11
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 change is the addition of an unexported function SHLIB which can be used to compiled a single sourc...
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RProtoBuf 0.2.2
Thanks to two patches by Murray Stokely, we have a nice new minor release 0.2.2 of RProtoBuf out on CRAN. RProtoBuf provides GNU R bindings for the Google Protobuf data encoding library used and released by Google. The NEWS file entry follows below: 0.2.2 2011-01-11 o Applied two patches by Murray Stokely which - correct a...
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Plotting overbought / oversold regions in R
The good folks at Bespoke Investment Group frequently show charts of so-called overbought or oversold levels; see e.g. here for the most recent global markets snapshot. Classifying markets as overbought or oversold is a popular heuristic. It starts from computing a rolling smoothed estimate of the prices, usually via a (exponential or standard)...
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Keeping simple things simple
My friend Jeff deserves a sincere congratulation for finally unveiling his rebranded R consultancy Lemnica. One notable feature of the new website is a section called esoteric R which discusses less frequently-visited corners of the R world. It even boasts its own CRAN package esotericR with the example sources. esoteric R currently holds two ar...
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RcppBDT 0.1.0
The family of Rcpp packages just grew by one: the first 0.1.0 release of RcppBDT is now on CRAN. RcppBDT stands for Rcpp Boost Date_Time. It employs what we call Rcpp modules: a mechanism which provides easier ways to expose C++ functions and classes to R (and which bears some resemblance to Boost.Python—see this vignette about Rcpp modules fo...
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CRANberries is now tweeting
The CRANberries service (which reports on new and updated CRAN packages for the R language and environment) is now tweeting about new packages. Simply follow @CRANberriesFeed to receive theses messages. For the technically minded, adding this to the existing 200-line program which runs all of CRANberries was very easy. CRANberries relies only on...
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Rcpp 0.9.1
A new release 0.9.1 of Rcpp went to CRAN and Debian yesterday. This version contains mostly bug-fixes and rather few enhancements. The changes are mostly ‘internal fixes’ and not user-facing; they mostly address some issues in memory management which, while not tripping up the unit tests or common usage, caused trouble for advanced Rcpp m...
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RcppArmadillo 0.2.12
A new version 1.1.2 of Conrad Sanderson’s Armadillo templated C++ library for linear algebra came out a couple of days ago. This has now been wrapped into a new version 0.2.12 of RcppArmadillo, our Rcpp-based integration into R. The short NEWS file extract follows, also containing Conrad’s entry for 1.1.2: 0.2.12 2011-02-15 o Upgr...
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