Blog Archives

random 0.2.4

A new release of our random package for truly (hardware-based) random numbers as provided by random.org is now on CRAN. The R 3.2.0 release brought the change to use an internal method="libcurl" which we are using if available; else the curl::curl() method added in release 0.2.3 is used. We are also a little more explicit about...

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RcppAnnoy 0.0.6

RcppAnnoy 0.0.6

A few days ago, Erik released a new version of his Annoy library -- a small, fast, and lightweight C++ template header library for approximate nearest neighbours -- which now no longer requires Boost. While I don't mind Boost (actually, quite the op...

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Rcpp 0.11.6

The new release 0.11.5 of Rcpp arrived on the CRAN network for GNU R yesterday; the corresponding Debian package has also been uploaded. Rcpp has become the most popular way of enhancing GNU R with C++ code. As of today, 373 packages on CRAN depend o...

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RcppArmadillo 0.5.100.1.0

A new minor release 5.100.1 of Armadillo was released by Conrad yesterday. Armadillo is a powerful and expressive C++ template library for linear algebra aiming towards a good balance between speed and ease of use with a syntax deliberately close to a Matlab. Our corresponding RcppArmadillo release 0.5.100.1.0 also reached CRAN and Debian yesterday. See...

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Finance-YahooQuote 0.25 hotfix

April 29, 2015
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A hotfix release for the Finance-YahooQuote Perl module on CPAN is now available. Available Yahoo! Finance decided to change the base URL. My thanks to Nicola Chiapolini who not only noticed but also sent me the one-line patch fixing this: --- YahooQuote.pm~ 2010-03-27 01:44:10.000000000 +0100 +++ YahooQuote.pm ...

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RcppTOML 0.0.3: A New Approach to Configuration Files

April 28, 2015
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A small project I worked on during the last few weeks has now come together in new package RcppTOML which arrived on CRAN yesterday. It provides R with a reader for TOML files. TOML stands for Tom's Obvious Markup Language. And before you roll your eyes, glance at the TOML site. It really is different, and...

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RcppArmadillo 0.5.000.0

April 22, 2015
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A new major version 5.000 of Armadillo was released by Conrad a couple of days ago. Armadillo is a powerful and expressive C++ template library for linear algebra aiming towards a good balance between speed and ease of use with a syntax deliberately close to a Matlab. This version brings several new functions for sparse matrices, and automagically...

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Introducing ghrr: GitHub Hosted R Repository

April 21, 2015
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Introducing ghrr: GitHub Hosted R Repository

Background R relies on package repositories for initial installation of a package via install.packages(). A crucial second step is update.packages(): For all currently installed packages, a list of available updates is constructed or offered for either one-by-one or bulk updates. This keeps the local packages in sync with upstream, and provides for a very convenient way...

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inline 0.3.14

April 13, 2015
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The inline package facilitates writing code in-line in simple string expressions or short files. The package is mature and in maintenance mode: Rcpp used it greatly for several years but then moved on to Rcpp Attributes so we have a much limited need...

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drat 0.0.3: More features, more fixes, more documentation

April 10, 2015
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Several weeks ago we introduced the drat package. Its name stands for drat R Archive Template, and it helps with easy-to-create and easy-to-use repositories for R packages. Two early blog posts describe drat: First Steps Towards Lightweight Repositor...

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