ggroups (version 2.0.1)

peddown: Downward pedigree extraction

Description

Extracts pedigree downward for one or a group of individuals to find their descendants

Usage

peddown(ped, parents, maxgen = c())

Arguments

ped

: data.frame with integer columns corresponding to ID, SIRE, DAM. Missing value is 0.

parents

: Vector of individual ID(s), from which the new pedigree is being extracted.

maxgen

: (optional) a positive integer for the maximum number of generations to proceed. If no value is provided, there is no limitation on the maximum number of generations to proceed.

Value

newped : Extracted pedigree data.frame

Examples

# NOT RUN {
ped = data.frame(ID=1:6, SIRE=c(0,0,1,3,1,4), DAM=c(0,0,2,2,2,5))
peddown(ped, c(1,4))
peddown(ped, 1, maxgen=1)

# }