makesLoop
tests for a common ancestor.Part of Pedigree Sampling From PedigreeSampling.R 2016-01-28
makesLoop(id, ptree)
character vector of length 1 having the ID of interest
a list of lists forming a pedigree tree as constructed by
createPedTree(ped)
where ped
is a standard pedigree dataframe.
TRUE if there is one or more common ancestors for the sire and dam.
Tests to see if sires and dams for an individual in a ptree have a common ancestor.
Contains functions to build pedigrees from sub-samples of genotyped individuals.
The goal of sampling is to reduce the number of inbreeding loops in the resulting pedigree, and thus, reduce the amount of time required to perform calculations with SIMWALK2 or similar programs.