A directed dyad-year data frame of Correlates of War state system members

This is a complete directed dyad-year data frame of Correlates of War state system members. I offer it here as a shortcut for various other functions when I am working on new additions and don't want to invest time in waiting for create_dyadyears() to run. As a general rule, this data frame is updated after every calendar year to include the most recently concluded calendar year.

Usage

cow_ddy

Format

A data frame with the following 3 variables.

ccode1: a numeric vector for the Correlates of War state code for the first state
ccode2: a numeric vector for the Correlates of War state code for the second state
year: a numeric vector for the year

Details

Data are a quick generation from the create_dyadyears() function in this package.