Langa-Weir Classification of Cognitive Function for 2022 HRS Data R package lwc2022 version 1.0.1 Generates the Langa-Weir classification of cognitive function for the 2022 Health and Retirement Study (HRS) cognition data. It is particularly useful for researchers studying cognitive aging who wish to work with the most recent release of HRS data. The package provides user-friendly functions for data preprocessing, scoring, and classification allowing users to easily apply the Langa-Weir classification system. For details regarding the; HRS <https://hrsdata.isr.umich.edu/> and Langa-Weir classifications <https://hrsdata.isr.umich.edu/data-products/langa-weir-classification-cognitive-function-1995-2022>. Software Depends: R (>= 4.1.0) Imports: dplyr Suggests: knitr Cormac Monaghan <cormacmonaghan@protonmail.com> Comprehensive R Archive Network (CRAN) Cormac Monaghan [cph, aut, cre] (ORCID: <https://orcid.org/0000-0001-9012-3060>), Rafael de Andrade Moral [aut] (ORCID: <https://orcid.org/0000-0002-0875-3563>), Joanna McHugh Power [aut] (ORCID: <https://orcid.org/0000-0002-7387-3107>) MIT + file LICENSE (https://CRAN.R-project.org/package=lwc2022/LICENSE) 2026-07-22 application/tgz https://CRAN.R-project.org/package=lwc2022 doi:10.32614/CRAN.package.lwc2022 en-US