This article is part of a R-Tips Weekly, a weekly video tutorial that shows you step-by-step how to do common R coding tasks. The RStudio IDE is amazing. You can enhance your R productivity even more with these simple keyboard shortcuts. Here are t...

I’ve been adding topological maps of South Africa to the saffer-data-map repository. The maps are originally in MrSID format (.sid files), which is a proprietary file format developed by LizardTech (a company which has been consumed by Extensis). Although MrSID is efficient from a storage perspective, it’s challenging ...

People who do statistical modeling for insurance applications usually know their way around a GLM pretty well. In pricing applications, GLMs can produce a reasonable model to serve as the basis of a rating plan, but in my experience they are usually followed by a round of “selections” – a process ...

People who do statistical modeling for insurance applications usually know their way around a GLM pretty well. In pricing applications, GLMs can produce a reasonable model to serve as the basis of a rating plan, but in my experience they are usually followed by a round of “selections” – a process ...

The famous countdown game loved among mathematicians and people adoring numbers and why not find a way to check for solutions. So the game is (was) known as a TV show where then host would give a random 3-digit number…Read more ›

Toss Up! is a very simple dice game that I’ve always wanted to simulate but never got around to doing so (until now!). This post outlines how to simulate a Toss Up! game in R, as well as how to … Continue reading →

For almost a year now, the PSI Visualization Special Interest Group (VIS SIG) has been conducting a monthly graduate-level seminar on creating effective statistical visualizations that is open to everyone. Wonderful Wednesdays is a unique collegial event. Every month the SIG publishes a link to a new data set and ...

I recently included the new Our World in Data data on Covid-19 hospitalizations and the vaccination progress around the world in the {tidycovid19} package. What was meant to be a short info post for package users turned into a mini case on “outlie...

Introduction Every year I play in several fantasy football (American) leagues. For those who are unaware, it’s a game that occurs every year in sync with the National Football League (NFL) where participants play in weekly head-to-head games a...

Explainable Artificial Intelligence, or XAI for short, is a set of tools that helps us understand and interpret complicated “black box” machine and deep learning models and their predictions. In my previous post I showed you a sneak peek of my newest p...

The {saffer} package is a nascent collection of things relating to South Africa. I’ve just added fuel price data. The {saffer} package can be installed from GitHub. remotes::install_github("datawookie/saffer") Then load it up and you’re ...