Example 9.17: (much) better pairs plots

Pairs plots (section 5.1.17) are a useful way of displaying the pairwise relations between variables in a dataset. But the default display is unsatisfactory when the variables aren’t all continuous. In this entry, we discuss ways to improve these dis…

Computer Science is not just for basement dwellers

When I was a teenager in the 1980s I purchased my first computer: a TI-99/4A. (Wow, TI’s version numbers are more confusing than ours!) I had several friends who had other brands of computers, including the TRS-80 (affectionately known as the “trash 80”) and the Commodore 64. Despite our divisions […]