Dyadic dataset extracted from Gleditsch and Ward (2001). The dataset contains information on the distace between capital cities among independent nation-states.
A data frame with 41006 rows and 6 variables
Gleditsch, Kristian S., and Michael D. Ward. (2001). "Measuring Space: A Minimum-Distance Database and Applications to International Studies." Journal of Conflict Resolution 38(6): 739-758.
COW code -- country A.
Three letter ISO code -- country A.
COW code -- country B.
Three letter ISO code -- country B.
Distance between capital cities in the kilometers.
Minimal distance between capital cities in the kilometers.