igo_search_states: Find Correlates of War state codes, abbreviations and names

In igoR: Access the Intergovernmental Organizations ('IGO') Database

Find Correlates of War state codes, abbreviations and names

Description

Finds Correlates of War country codes, abbreviations and names for states.

Usage

igo_search_states(state)

Arguments

state

A state name or code, or a vector of names or codes, as specified in states2024.

Value

A data.frame with Correlates of War country codes, abbreviations, names and the matching state identifiers used by state_year_format3.

Source

Codebook Version 3 IGO Data for the full reference.

References

Pevehouse, J. C., Nordstrom, T., McManus, R. W. & Jamison, A. S. (2020). Tracking organizations in the world: The Correlates of War IGO Version 3.0 data sets. Journal of Peace Research, 57(3), 492–503. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1177/0022343319881175")}.

See Also

states2024 for state codes, abbreviations and names.

Search IGO and state metadata: igo_search()

Examples

library(dplyr)

igo_search_states("Spain") |> as_tibble()

igo_search_states(c(20, 150)) |> as_tibble()

igo_search_states("congo") |> as_tibble()

igo_search_states(c("Germany", "papal states")) |> as_tibble()

igo_search_states(c("FRN", "United Kingdom", 240, "italy")) |> as_tibble()

igoR documentation built on Aug. 25, 2026, 5:08 p.m.