Country code 1 (COW state system membership, v2016)
Country 1
Country code 2 (COW state system membership, v2016)
Country 2
Year
Unweighted S (ATOP alliance data)
Weighted S (ATOP alliance data)
Kappa (ATOP alliance data)
Pi (ATOP alliance data)
Version of the ATOP-sscore dataset
Version of COW state system membership data
Version of ATOP data
Version of COW national material capabilities data