https://robin621.r-universe.devRecent package updates in robin621R-universehttps://github.com/robin621.pnghttps://robin621.r-universe.devSun, 12 Jul 2026 11:13:24 GMTwangyajie621@gmail.com (Yajie Wang)Clean, build, and compose crosswalks between Chinese GB/T (Guobiao/Tuijian, the recommended national standard prefix) 4754 industry classification vintages. The package starts with the historical workflow for 1986, 1994, 2002, 2011, and 2017 and is designed so later source-document vintages can be added as additional adjacent pairwise crosswalks. It also includes GB/T 4754-2002 to International Standard Industrial Classification of All Economic Activities (ISIC) Revision 3 links and Harmonized System (HS) Combined product code to ISIC Revision 3 links.https://github.com/r-universe/robin621/actions/runs/29191346802Sun, 12 Jul 2026 11:13:24 GMTgbcrosswalk0.0.9successhttps://robin621.r-universe.devhttps://github.com/robin621/gbcrosswalk