R package with shapefile, metadata and visualization functions for US Zip Code Tabulated Areas (ZCTAs).
Due to this package's size (~60MB) it is hosted on github, not CRAN. To install the latest stable release type the following from an R console:
# install.packages("devtools") library(devtools) install_github('arilamstein/choroplethrZip@v1.5.0')
If you would like a guided introduction to choroplethr, then take the free course Learn to Map Census Data in R.
Documentation for choroplethr can be found here.