alliance: Alliance Data
In RandiLGarcia/dyadr: dyadr: Dyadic Data Analysis

Description Usage Format References Examples

Data from Gibler (2009) paper about International military alliances contains the alliance dataset distributed by directed-dyad, with one observation for each directed-dyad alliance initiation, with data on 414 countries.

1	data(alliance)

A data frame with 3252 rows and 18 variables:

version4id: the unique serial identification number for each alliance
ccode1: the Correlates of War System Membership number of the state initiating alliance terms toward ccode2
state_name1: the Correlates of War System Membership name of ccode1
ccode2: the Correlates of War System Membership number of the state receiving alliance terms from ccode1
state_name2: the Correlates of War System Membership name of ccode2
dyad_st_day: the day of entry into the Correlates of War system for the allied dyad
dyad_st_month: the month of entry into the Correlates of War system for the allied dyad
dyad_st_year: the year of entry into the Correlates of War system for the allied dyad
dyad_end_day: the day of alliance entry for the directed-dyad observation; missing data denotes alliance is still in effect as of 12/31/2012
dyad_end_month: the month of alliance entry for the directed-dyad observation; missing data denotes alliance is still in effect as of 12/31/2012
dyad_end_year: the year of alliance entry for the directed-dyad observation; missing data denotes alliance is still in effect as of 12/31/2012
left_censor: coded as (1) if the directed-dyad entered the alliance prior to 1/1/1816
right_censor: coded as (1) if the directed-dyad is still considered in the alliance as of 12/31/2012
defense: coded as (1) if ccode1 signed a defense pact to protect ccode2
neutrality: coded as (1) if ccode1 agreed to remain neutral toward ccode2
nonaggression: coded as (1) if ccode1 promised not to attack ccode2
entente: coded as (1) if ccode1 agreed to consult with ccode2 if a crisis occurred
version: version number of the data set (4.x)