Reads in subnational data for the United States to calculate most recent estimate of per capita active COVID-19 cases. Use with LoadData() is recommended.
LoadUS()A simple feature returning the date of most recent data (DateReport), a unique region code (geoid), the region name (RegionName) and country name (Country), the number of active cases per capita (pInf) and the regions geometry (geometry).
Real-time county level COVID19 data comes from the NYTimes COVID19 data project: https://github.com/nytimes/covid-19-data. US 2019 population estimate data comes from the US Census: https://www.census.gov/data/tables/time-series/demo/popest/2010s-state-total.html.
US <- LoadUS()