cow_trade_sy: Correlates of War National Trade Data Set (v. 4.0)
In peacesciencer: Tools and Data for Quantitative Peace Science Research
cow_trade_sy R Documentation
Correlates of War National Trade Data Set (v. 4.0)
Description
These are state-year-level data for national trade from the Correlates of War
project.
Usage
cow_trade_sy
Format
A data frame with 14410 observations on the following four variables.
ccodethe Correlates of War state system code
yearthe year
importstotal imports of the state in current million USD
exportstotal exports of the state in current million USD
Details
The data-raw directory on the project's Github shows how the data were
processed.
References
Barbieri, Katherine and Omar M.G. Keshk. 2016. Correlates of War Project
Trade Data Set Codebook, Version 4.0. Online: https://correlatesofwar.org
Barbieri, Katherine, Omar M.G. Keshk, and Brian Pollins. 2009. "TRADING DATA:
Evaluating Our Assumptions and Coding Rules."
Conflict Management and Peace Science, 26(5): 471-491.
peacesciencer documentation built on Aug. 8, 2025, 6:13 p.m.
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| cow_trade_sy | R Documentation |
Correlates of War National Trade Data Set (v. 4.0)
Description
These are state-year-level data for national trade from the Correlates of War project.
Usage
cow_trade_sy
Format
A data frame with 14410 observations on the following four variables.
ccodethe Correlates of War state system code
yearthe year
importstotal imports of the state in current million USD
exportstotal exports of the state in current million USD
Details
The data-raw directory on the project's Github shows how the data were
processed.
References
Barbieri, Katherine and Omar M.G. Keshk. 2016. Correlates of War Project Trade Data Set Codebook, Version 4.0. Online: https://correlatesofwar.org
Barbieri, Katherine, Omar M.G. Keshk, and Brian Pollins. 2009. "TRADING DATA: Evaluating Our Assumptions and Coding Rules." Conflict Management and Peace Science, 26(5): 471-491.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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