Click here to learn how to use countrycode( ) R package to add the Correlates of War code variable to country dataset. Abbreviation COW Code Country Name USA 2 United States of America CAN 20 Canada BHM 31 Bahamas CUB 40 Cuba HAI 41 Haiti DOM 42 Dominican Republic JAM 51 Jamaica TRI 52 Trinidad … Continue reading Correlates of War codes