These materials were used in the West Michigan R Users Group meetups.

This script introduces the basic concepts and quirks of R.

This was an overview of using various statistical modeling and algorithmic techniques to predict credit defaults. The different methods were compared using ROC curves. There is also a small primer on PCA.

This demonstrated the mapping capabilities of R using several packages. User-friendly packages such as chloroplethr and ggmap are discussed, as well as low-level mapping using shapefiles and other geographic data provided by government agencies.

Introduces the basics of creating your own package using friendly RStudio tools and packages. The devtools and roxygen2 packages are featured prominently.