States (Correlates of War System) — cw

These are the independent states in the Correlates of War system.

Usage

data(cw_system)

Format

A data frame with the following 5 variables.

ccode: a numeric vector for the Correlates of War state code
cw_abb: a character vector for the state abbreviation
cw_name: a character vector for the state name
start: a date for system entry
end: a date for system exit

Details

The end column is current as of Dec. 31, 2016. That date is reflected in the end column for states still active today.

References

Gleditsch, Kristian S. and Michael D. Ward. 1999. "A Revised List of Independent States since the Congress of Vienna." International Interactions 25(4): 393–413.

Examples


str(cw_system)
#> tibble [243 × 5] (S3: tbl_df/tbl/data.frame)
#>  $ ccode  : num [1:243] 2 20 31 40 40 41 41 42 42 51 ...
#>  $ cw_abb : chr [1:243] "USA" "CAN" "BHM" "CUB" ...
#>  $ cw_name: chr [1:243] "United States of America" "Canada" "Bahamas" "Cuba" ...
#>  $ start  : Date[1:243], format: "1816-01-01" "1920-01-10" ...
#>  $ end    : Date[1:243], format: "2016-12-31" "2016-12-31" ...
head(cw_system)
#> # A tibble: 6 × 5
#>   ccode cw_abb cw_name                  start      end       
#>   <dbl> <chr>  <chr>                    <date>     <date>    
#> 1     2 USA    United States of America 1816-01-01 2016-12-31
#> 2    20 CAN    Canada                   1920-01-10 2016-12-31
#> 3    31 BHM    Bahamas                  1973-07-10 2016-12-31
#> 4    40 CUB    Cuba                     1902-05-20 1906-09-25
#> 5    40 CUB    Cuba                     1909-01-23 2016-12-31
#> 6    41 HAI    Haiti                    1859-01-01 1915-07-28