Functions for Discordant Kinship Modeling R package discord version 1.3 Functions for discordant kinship modeling (and other sibling-based quasi-experimental designs). Contains data restructuring functions and functions for generating biometrically informed data for kin pairs. See [Garrison and Rodgers, 2016 <doi:10.1016/j.intell.2016.08.008>], [Sims, Trattner, and Garrison, 2024 <doi:10.3389/fpsyg.2024.1430978>] for empirical examples, and [Garrison and colleagues for theoretical work <doi:10.1101/2025.08.25.25334395>]. Software Depends: R (>= 3.50) Imports: stats Suggests: NlsyLinks, ggpedigree, BGmisc, DT, broom, dplyr, grid, gridExtra, ggExtra, ggplot2, janitor, kableExtra, knitr, magrittr, rmarkdown, scales, sessioninfo, stargazer, snakecase, testthat, tidyverse, tidyr S. Mason Garrison <garrissm@wfu.edu> Comprehensive R Archive Network (CRAN) S. Mason Garrison [aut, cre, cph] (ORCID: <https://orcid.org/0000-0002-4804-6003>), Jonathan Trattner [aut] (ORCID: <https://orcid.org/0000-0002-1097-7603>), Yoo Ri Hwang [aut], Cermet Ream [ctb] GPL-3 2026-01-18 application/tgz https://CRAN.R-project.org/package=discord doi:10.32614/CRAN.package.discord