A small sample from the militarized interstate disputes (MID) database.
data(mid)
A table containing 6 variables ("conflict", "major", "contig", "power", "maxdem", "mindem", and "years") and 3,126 observations. For full variable descriptions, please see King and Zeng, 2001.
King, Gary, and Lanche Zeng (2001). ``Explaining Rare Events in International Relations,'' International Organization, vol. 55, no. 3, pp. 693-715.
Jones, Daniel M., Stuart A. Bremer and David Singer (1996). ``Militarized Interstate Disputes, 1816-1992: Rationale, Coding Rules, and Empirical Patterns,'' Conflict Management and Peace Science, vol. 15, no. 2, pp. 163-213.