add_archigos: Add Archigos political leader information to dyad-year and state-year data
Description
add_archigos() allows you to add some information about leaders to dyad-year
or state-year data. The function leans on an abbreviated version of the data, which also comes in this package.
Usage
add_archigos(data)
Value
add_archigos() takes a dyad-year or state-year data frame and adds a few summary
variables based off the leader-level data. These include whether there was a leader transition in the
state-year (or first/second state in the dyad-year), whether there was an "irregular" leader transition,
the number of leaders in the state-year, the unique leader ID for Jan. 1 of the year, and the unique leader
ID for Dec. 31 of the year.
Arguments
data
a dyad-year data frame (either "directed" or "non-directed") or state-year data frame
Author
Steven V. Miller
Details
The function leans on attributes of the data that are provided by the create_dyadyear() or
create_stateyear() function. Make sure that function (or data created by that function) appear at the top
of the proverbial pipe.
References
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.
# \donttest{# just call `library(tidyverse)` at the top of the your scriptlibrary(magrittr)
cow_ddy %>% add_archigos()
create_stateyears() %>% add_archigos()
# }