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BGmisc - An R Package for Extended Behavior Genetics Analysis

Provides functions for behavior genetics analysis, including variance component model identification [Hunter et al. (2021) <doi:10.1007/s10519-021-10055-x>], calculation of relatedness coefficients using path-tracing methods [Wright (1922) <doi:10.1086/279872>; McArdle & McDonald (1984) <doi:10.1111/j.2044-8317.1984.tb00802.x>], inference of relatedness, pedigree conversion, and simulation of multi-generational family data [Lyu et al. (2025) <doi:10.1007/s10519-025-10225-1>]. For a full overview, see [Garrison et al. (2024) <doi:10.21105/joss.06203>]. For a big data application see [Burt et al. (2025) <doi: 10.1016/j.ebiom.2025.105911>].

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behavior-genetics

9.27 score 4 stars 2 dependents 138 scripts 814 downloads

ggpedigree - Visualizing Pedigrees with 'ggplot2' and 'plotly'

Provides plotting functions for visualizing pedigrees and family trees. The package complements a behavior genetics package 'BGmisc' [Garrison et al. (2024) <doi:10.21105/joss.06203>] by rendering pedigrees using the 'ggplot2' framework. Features include support for duplicated individuals, complex mating structures, integration with simulated pedigrees, and layout customization. Due to the impending deprecation of kinship2, version 1.0 incorporates the layout helper functions from kinship2. The pedigree alignment algorithms are adapted from 'kinship2' [Sinnwell et al. (2014) <doi:10.1159/000363105>]. We gratefully acknowledge the original authors: Jason Sinnwell, Terry Therneau, Daniel Schaid, and Elizabeth Atkinson for their foundational work.

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7.80 score 6 stars 84 scripts 465 downloads

NlsyLinks - Utilities and Kinship Information for Research with the NLSY

Utilities and kinship information for behavior genetics and developmental research using the National Longitudinal Survey of Youth (NLSY; <https://www.nlsinfo.org/>).

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behavior-geneticskinship-informationnational-longitudinal-surveynlsy

6.89 score 7 stars 277 scripts 276 downloads

discord - Functions for Discordant Kinship Modeling

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>].

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6.81 score 1 stars 47 scripts 356 downloads

tidygedcom - Read and Tidy 'GEDCOM' Genealogy Files

Reads and parses 'GEDCOM' (Genealogical Data Communication) files, the standard interchange format exported by genealogical software, and converts them into tidy data frames. Individuals, families, life events, and parent-child links are extracted into rectangular structures suitable for pedigree and kinship analysis. Additional helpers summarize file contents, convert place coordinates, and repair malformed records. Wikipedia family tree templates can be parsed into the same tidy structure. For a discussion of these and related data structures see [Hunter et al. (2026) <doi:10.1007/s10519-026-10259-z>].

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5.26 score 2 stars 6 scripts 284 downloads