Crosswalk Chinese GB Industry Classifications Across Years R package gbcrosswalk version 0.0.5 Tools for cleaning, building, and composing crosswalks between Chinese GB/T 4754 industry classification vintages. The package starts with the historical workflow for 1986, 1994, 2002, 2011, and 2017 and is designed so later PDF-derived vintages can be added as additional adjacent pairwise crosswalks. Software Depends: R (>= 4.1) Imports: utils Enhances: readxl Yajie Wang <wangyajie621@gmail.com> Comprehensive R Archive Network (CRAN) Yajie Wang [aut, cre] (affiliation: Assistant Professor, Division of Global and Area Studies, Chinese University of Hong Kong (Shenzhen)) MIT + file LICENSE (https://CRAN.R-project.org/package=gbcrosswalk/LICENSE) 2026-07-11 application/tgz https://CRAN.R-project.org/package=gbcrosswalk doi:10.32614/CRAN.package.gbcrosswalk