These are yearly summaries of leader turnover from the Archigos data, for use
in add_archigos()
archigossums
A data frame with 14707 observations on the following 7 variables.
gwcode
a numeric vector for the Gleditsch-Ward state code
year
a numeric vector for a referent year
leadertransition
a dummy variable indicating a leader transition in a given year
irregular
a dummy variable indicating an irregular leader transition in a given year
n_leaders
an integer for the number of leaders in a given year
jan1obsid
a character vector for the observation ID of the head of state on Jan. 1 of the referent year
dec31obsid
a character vector for the observation ID of the head of state on Dec. 31 of the referent year
Consult archigos
in the same data frame for more information about the data.
Goemans, Henk E., Kristian Skrede Gleditsch, and Giacomo Chiozza. 2009. "Introducing Archigos: A Dataset of Political Leaders" Journal of Peace Research 46(2): 269--83.