Monthly Archives: March 2014

C++11 versus R Standalone Random Number Generation Performance Comparison

March 1, 2014
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If you are writing some C++ code with the intent of calling it from R or even developing it into a package you might wonder whether it is better to use the pseudo random number library native to C++11 or the R standalone library. On the one hand users of your package might have an The post

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RcppEigen 0.3.2.0.2

March 1, 2014
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A new bug-fix / maintenance release of RcppEigen is now on CRAN. RcppEigen brings the Eigen C++ template library for linear algebra to R. This release updates the RcppEigen.package.skeleton() function for a needed change in R, updates and extends ...

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Free Sweave Course

March 1, 2014
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Free Sweave Course

“Free Sweave Course” (download 7,0MB), Paola Berchialla, Department of Public Health and Microbiology, University of Torino. … Continue reading →

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Presentations of the sixth Torino R net meeting – 21 Nov 2013

March 1, 2014
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Presentations of the sixth Torino R net meeting – 21 Nov 2013

welcome and presentation (download 0,1MB), Torino R net organisers; The importance of R in agrometeorology: a case study (download 1,8MB), Federico Spanna, Regione Piemonte Settore Fitosanitario; Claudio Cassardo, Università di Torino Dipartimento di Fisica; Fabio Lazzarato, Università di Torino Dipartimento di … Continue reading →

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A great idea: R Markdown for Undergrads

March 1, 2014
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A great idea: R Markdown for Undergrads

A recently published paper by Baumer et al (2014) caught my eye today (HT to Bruce Caron).  I wanted to share it here because I thought it was cool and also had a few comments to make about some of the issues the authors raised. First, a bit about the paper.  Partly in response to all the

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RcppArmadillo 0.4.100.0

March 1, 2014
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A new minor upstream release 4.100 of the Armadillo templated C++ library for linear algebra was finalised by Conrad yesterday. I rolled up the corresponding RcppArmadillo release 0.4.100.0 which is now on CRAN and will go to Debian shortly. Cha...

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Individuals and Moving Range Charts in R

March 1, 2014
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Individuals and Moving Range Charts in R

Individuals and moving range charts, abbreviated as ImR or XmR charts, are an important tool for keeping a wide range of business and industrial processes in the zone of economic production, where a process produces the maximum value at the minimum costs. While there are many commercial applications that will produce such charts, one of

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