The naijR package: Philosophy, Purpose and Usage (Part 2)

In the last post, an attempt was made to highlight the motivation behind the creation of the naijR package as well as the expectations for how it could add value to the R ecosystem. In this article, we will demonstrate a few situations where the package could be put to use and reveal some of […]

A Simple Modification of Missingness Maps

Update: When I excitingly wrote this piece (à la D-K effect) I was a complete R neophyte. On hindsight, there’s nothing special here, and many visitors were attracted by the title. Believe me, it was done in innocence. That said, I still think the mapping of missing values in the Amelia package is a neat […]

Facial patterns for exploratory data analysis

Yesterday, I discovered a very interesting capability in R. There’s a package called aplpack that allows you to plot Chernoff faces. Chernoff faces is a way of presenting multivariate data in which the output looks like the faces of cartoon characters. One thing that I immediately noticed was that in using this package, I could quickly recognize (at […]