Combining multiple datasets, whether by stacking or joining, is commonly necessary as is changing the shape of data. The plyr and reshape2 packages offer good functions for accomplishing this in ...

This repository contains code and markdown files for the tutorial presented at Pangborn 2025. We are still tweaking the materials, so if you'd like to download all of the code and other files before ...

A few years ago, I was the CTO and cofounder of a startup in the medical practice management software space. One of the problems we were trying to solve was how medical office visit schedules can ...

An OSPool Tutorial Spills of hazardous materials, like petroleum, mercury, and battery acid, that can impact water and land quality are required to be reported to the United State's government by law.