Pedigree-based Relatedness Coefficients

Recursive algorithms for computing various relatedness coefficients, including pairwise kinship, kappa and identity coefficients. Both autosomal and X-linked coefficients are computed. Founders are allowed to be inbred, enabling construction of any given kappa coefficients (Vigeland (2020) ). In addition to the standard pairwise coefficients, 'ribd' also computes a range of lesser-known coefficients, including generalised kinship coefficients (Karigl (1981) ; Weeks and Lange (1988) ), two-locus coefficients (Thompson (1988) ) and multi-person coefficients. This package is part of the 'ped suite', a collection of packages for pedigree analysis in R. Several methods of 'ribd' are featured in the online app 'QuickPed' available at < https://magnusdv.shinyapps.io/quickped>.


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install.packages("ribd")

1.3.1 by Magnus Dehli Vigeland, 13 days ago


https://github.com/magnusdv/ribd, https://magnusdv.github.io/pedsuite/


Browse source code at https://github.com/cran/ribd


Authors: Magnus Dehli Vigeland [aut, cre]


Documentation:   PDF Manual  


GPL-3 license


Imports glue, kinship2, slam

Depends on pedtools

Suggests identity, testthat


Imported by forrel, ibdsim2, verbalisr.

Depended on by pedsuite.


See at CRAN