Another minor release of RcppEigen is on CRAN and getting into Debian. The main focus is an upgrade to the recent 3.2.7 release of Eigen which should address another UBSAN issue. And once again Yixuan Qiu did all the heavy lifting. The NEWS file entr... [Read more...]

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In The previous blog we looked at how to install the StatET plugin that can be used to run R from eclipse. In This tutorial we will look at the various features of the plugin. Creating a New R Project or File. The plugin provides the following options We create ... [Read more...]

by Daniel Moore Director of Applied Statistics Engineering, Console Development Microsoft In Xbox Hardware, we are interested in the various ways that our hardware is used, and we are especially interested in how that usage changes over time. We employ several several time series analysis techniques that are helpful in ... [Read more...]

In the just-released version 4.4.0 of Oracle Big Data Lite VM, as in the previous one (4.3.0.1), there is a rather large number of additional R packages to be installed by the provided script install_additional_packages.sh, i.e. 28 packages without counting their dependencies (the respective number in version 4.2.1 was only 10). ... [Read more...]

I used to spend an inordinate amount of time digging through lightning data. These data came from a number of sources, the World Wide Lightning Location Network (WWLLN) and LIS/OTD being the most common. I recently needed to work with some Hierarchical Data Format (HDF) data. HDF is something ... [Read more...]

Just a short note that in my day job we’ve released the New Zealand Tourism Dashboard, launched by the Associate Minister for Tourism earlier today. It’s built with R and Shiny and I won’t say more about it than that to avoid mixing up my work and ... [Read more...]

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The 17th Cologne R user group meeting is scheduled for this Friday, 26 February 2016. We have two talks, followed by networking drinks. Introduction to Bayesian Regression Models using Stan with the brms package - Paul-Christian Bürkner (Uni Münster)... [Read more...]

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This post describes a framework for using Shiny for conducting, grading, and providing feedback for assessments. This framework supports any multiple choice format including multiple choice tests or Likert type surveys. A demo is available at jbryer.shinyapps.io/ShinyAssessmentTest or can be run locally as a Github Gist:

runGist('a6fb5a3b1d5fd56cff64')

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Treespace visualization of a heuristic best tree search in #R package #ggtree #phylogenetics pic.twitter.com/hnSJpIABql— Alex Damián (@antropoteuthis) January 29, 2016 @guangchuangyu Updated to latest #ggtree and #ggplot2 and very impressed! Any ideas on using geom_label with tip labels to add box/fill?— Jo Williams-Newkirk (@ajwnewkirk) January 25, 2016 ggtree ... [Read more...]

Consider a pool table of length one. An 8-ball is thrown such that the likelihood of its stopping point is uniform across the entire table (i.e. the table is perfectly level). The location of the 8-ball is recorded, but not known to the observer. Subsequent balls are thrown one ... [Read more...]

Analyst firm RedMonk have updated their (near-)biannual Programming Lanuage rankings as of January 2016, and the R language ranks at #13, unchanged since the last ranking in June 2015. Redmonk's rankings are based on number of projects in GitHub and number of questions tagged in StackOverflow, and the most recent data is ... [Read more...]

The Knoxville area has four groups that help people learn about business intelligence and data science. The Knoxville R Users Group (KRUG) focuses on the free and open source R language. Each meeting begins with a bit of socializing followed … Continue reading → [Read more...]