Download, Merge, and Process Redistricting Data R package alarmdata version 0.2.4 Utility functions to download and process data produced by the ALARM Project, including 2020 redistricting files Kenny and McCartan (2021) <https://alarm-redist.org/posts/2021-08-10-census-2020/> and the 50-State Redistricting Simulations of McCartan, Kenny, Simko, Garcia, Wang, Wu, Kuriwaki, and Imai (2022) <doi:10.7910/DVN/SLCD3E>. The package extends the data introduced in McCartan, Kenny, Simko, Garcia, Wang, Wu, Kuriwaki, and Imai (2022) <doi:10.1038/s41597-022-01808-2> to also include states with only a single district. The package also includes the Japanese 2022 redistricting files from the 47-Prefecture Redistricting Simulations of Miyazaki, Yamada, Yatsuhashi, and Imai (2022) <doi:10.7910/DVN/Z9UKSH>. Software Depends: R (>= 4.1.0) Imports: rlang, cli, curl, dplyr, readr, stringr, sf, dataverse, censable, geomander (>= 2.1.0), tidyselect, redist (>= 4.2.0), redistmetrics, tinytiger, rappdirs Suggests: rstudioapi, rmapshaper, testthat (>= 3.0.0), spelling Christopher T. Kenny <ctkenny@proton.me> Comprehensive R Archive Network (CRAN) Cory McCartan [aut] (ORCID: <https://orcid.org/0000-0002-6251-669X>), Christopher T. Kenny [aut, cre] (ORCID: <https://orcid.org/0000-0002-9386-6860>), Tyler Simko [aut] (ORCID: <https://orcid.org/0000-0001-9382-7346>), Michael Zhao [aut] (ORCID: <https://orcid.org/0000-0001-8435-2078>), Sho Miyazaki [aut] (ORCID: <https://orcid.org/0009-0009-7838-9005>), Kosuke Imai [aut] (ORCID: <https://orcid.org/0000-0002-2748-1022>) MIT + file LICENSE (https://CRAN.R-project.org/package=alarmdata/LICENSE) 2025-12-12 application/tgz https://CRAN.R-project.org/package=alarmdata doi:10.32614/CRAN.package.alarmdata en-US