Dataset:  armada.dat

Source: Armando da Silva Saturnino Monteiro (2001). "Decline and Fall
of Portuguese Seapower 1583-1663", Journal of Military History
Vol. 65, #1, pp9-20.

Description: Outcomes of Naval Battles Between Portuguese
and Dutch/British ships 1583-1663

Variables/Columns
Battle 1-28
Year  31-34
Portuguese ships  41-42
Dutch ships   49-50
English shios   57-58
Ratio of Portuguese to Dutch/British ships  62-66
Spanish Involvement   74  /* 1=Yes, 0=No   */
Portuguese outcome   81-82  /* -1=Defeat, 0=Draw, 1=Victory */