Create Panels of Independent States R package states version 0.3.3 Create panel data consisting of independent states from 1816 to the present. The package includes the Gleditsch & Ward (G&W) and Correlates of War (COW) lists of independent states, as well as helper functions for working with state panel data and standardizing other data sources to create country-year/month/etc. data. Software Depends: R (>= 2.10) Imports: dplyr, rlang, methods, lifecycle Suggests: testthat (>= 2.1.0), ggplot2, stringr, knitr, rmarkdown, covr, pkgdown, DT Andreas Beger <adbeger@gmail.com> Comprehensive R Archive Network (CRAN) Andreas Beger [cre, aut] (ORCID: <https://orcid.org/0000-0003-1883-3169>) MIT + file LICENSE (https://CRAN.R-project.org/package=states/LICENSE) 2025-08-25 application/tgz https://CRAN.R-project.org/package=states doi:10.32614/CRAN.package.states