This document discusses using R for spatial data analysis. It begins by outlining the key topics that will be covered, including why R is used for spatial analysis and its relationship to GIS. It then provides background on R, describing it as a free software environment for statistical computing and graphics. The document also defines spatial data and the common types. It notes that R has thousands of packages that add functionality and discusses challenges of storing and displaying spatial data. Finally, it provides an overview of the book's structure, which first presents shared R packages for spatial data and then showcases more specialized spatial analysis techniques.