Script for wrangling, geocoding, analyzing, and mapping Australian road accident data

Corresponding blog post: https://lhehnke.github.io/notes/2018/01/23/road-accidents-south-australia

The script covers

• downloading and cleaning data on road crashes in South Australia
• geocoding and mapping (non-)fatal crashes in South Australia and Adelaide using ggplot2 and ggmap
• analyzing/visualizing
  • the number of crashes by crash type and severity
  • total casualties and fatalities by crash type
• using ggplot2 for modern visualizations (lollipop and dot charts) of road crashes

using data provided by the South Australian Government Data Directory for the year 2016.

Example plot: