Convert Region Names and Division Codes of China Over Years R package regioncode version 0.2.1 A tool to conquer the difficulties to convert various region names and administration division codes of Chinese regions. The current version enables seamlessly converting Chinese regions' formal names, common-used names, and codes between each other at the city level from 1986 to 2019. Software Depends: R(>= 3.6.0) Suggests: dplyr, knitr, rmarkdown Yue Hu <yuehu@tsinghua.edu.cn> Comprehensive R Archive Network (CRAN) Yue Hu [aut, cre], Xinyi Ye [aut], Qian Qiu [aut], Yufei Sun [aut], Wenquan Wu [aut] MIT + file LICENSE (https://CRAN.R-project.org/package=regioncode/LICENSE) 2026-04-07 application/tgz https://CRAN.R-project.org/package=regioncode doi:10.32614/CRAN.package.regioncode