makeAA {nadiv} | R Documentation |
Creates the additive by additive epistatic genetic relationship matrix
Description
Given a pedigree, the matrix of additive by additive genetic relatedness (AA) among all individuals in the pedigree is returned.
Usage
makeAA(pedigree)
Arguments
pedigree |
A pedigree where the columns are ordered ID, Dam, Sire |
Details
Missing parents (e.g., base population) should be denoted by either 'NA', '0', or '*'.
The function first estimates the A matrix using makeA
, then it
calculates the Hadamard (element-wise) product of the A matrix with itself
(A # A).
Value
a list
:
- AA
the AA matrix in sparse matrix form
- logDet
the log determinant of the AA matrix
- AAinv
the inverse of the AA matrix in sparse matrix form
- listAAinv
the three column form of the non-zero elements for the inverse of the AA matrix
Author(s)
See Also
Examples
makeAA(Mrode2)
[Package nadiv version 2.18.0 Index]