findDFC: Finds the double first cousins in a pedigree
Description
Given a pedigree, all pairs of individuals that are double first cousins are returned.
Usage
findDFC(pedigree)
Arguments
pedigree
A pedigree with columns organized: ID, Dam, Sire
Value
PedPositionListgives the list of row numbers for all the pairs of indidivuals that are related as double first cousins
DFCgives the list of IDs, as characters, for all the pairs of individuals that are related as double first cousins
FamilyCntIf two individuals, i and j, are double first cousins, then i's siblings will also be double first cousins with j's siblings. Therefore, this is the total number of family pairs where offspring are related as double first cousins.