Population density and basic reproductive number of COVID-19 across United States counties (Data and Script)

This repository includes:<br>1. RData file that includes two data sets: (a) Data set with all United State counties (n=3,221) (b) Data set with United State counties with greater than 25 COVID-19 cases at the end of the exponential growth period (n=1,151)2. R script to run the main and sensitivity analysis of the study<br>Work described in:Sy KTL, White LF, Nichols BE. Population density and basic reproductive number of COVID-19 across United States counties. Under Review, 2020.<br>Original Data Sources:New York Times. Coronavirus (Covid-19) Data in the United States - https://github.com/nytimes/covid-19-data/blob/master/us-counties.csv<br>