relfactor {pedigreeTools}R Documentation

Relationship factor from a pedigree

Description

Determine the right Cholesky factor of the relationship matrix for the pedigree ped, possibly restricted to the specific labels that occur in labs.

Usage

relfactor(ped, labs)

Arguments

ped

a pedigree that includes the individuals who occur in svec

labs

a character vector or a factor giving the labels to which to restrict the relationship matrix. If labs is a factor then the levels of the factor are used as the labels. Default is the complete set of labels in the pedigree.

Value

an object that inherits from CHMfactor

Examples

ped <- pedigree(sire=c(NA,NA,1,1,4,5), dam=c(NA,NA,2,NA,3,2), label=1:6)
relfactor(ped)

[Package pedigreeTools version 0.1 Index]