Emacs is the swiss-army chainsaw of software, the ultimate killer app. This article explains the basics of using R with Emacs and ESS. Continue reading → The post Using R with Emacs and ESS appeared first on The Devil is in the Data.

I am preparing to facilitate another session of the marketing course for the La Trobe University MBA. The first lecture delves into the definition of marketing. Like most other social phenomena, marketing is tough to define. Definitions of social constructs... Continue Reading → The post Defining Marketing with the Rvest and Tidytext Packages appeared first on The Devil is in...

This article provides a solution in the R language for Euler Problem 144: How many times does a laser bounce inside an elliptical mirror before the light beam exits it? We can use the solution to this problem to simulate elliptical billiard tables. Continue reading → The post Laser Beams and Elliptical Billiards: Euler Problem 144 appeared first on The...

How can R be used to conduct qualitative data science? An example analyses interviews with customer advocacy groups and regulators of water utilities using the RQDA package. Continue reading → The post Qualitative Data Science: Using RQDA to analyse interviews appeared first on The Devil is in the Data.

Various methods to approximate and visualise the digits of pi using the R computing language for statistics. The apparent randomness of the decimal expression of Pi is a source for beautiful visualisations. Continue reading → The post Approximations of Pi: A Random Walk though the Beauty of Pi appeared first on The Devil is in the Data.

In developed countries, tap water is safe to drink and available for a meagre price. Despite the fact that high-quality drinking water is almost freely available, the consumption of bottled water is increasing every year. Bottled water companies use sophisticated … Continue reading → The post Tap Water Sentiment Analysis using Tidytext appeared first on The Devil is in the...

Topology is the silly putty of mathematics. One of the strangest shapes in topology is the Möbius strip. This strip is a surface with only one side. This article shows how the visualise this shape in R using the RGL package. Continue reading → The post Topological Tomfoolery in R: Plotting a Möbius Strip appeared first on The Devil is...

One of my favourite activities in R is using Markdown to create business reports. Most of my work I export to MS Word to communicate analytical results with my colleagues. For my academic work and eBooks, I prefer LaTeX to produce … Continue reading → The post Writing academic articles using R Markdown and LaTeX appeared first on The Devil is...

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