kinship2grm function

Converts a kinship matrix to a Genetic Relation Matrix (GRM)

kinship2grm(x)

Arguments

• x: a square matrix containing kinship coefficients

Returns

a GRM matrix

Details

for off-diagonal elements, $GRM=2 \times x_{ij}$; for diagonal elements, $GRM=1+ x_{ii}$

Examples

## Not run:

dos<-matrix(sample(0:2,replace=TRUE,size=1000),nrow=10) #dosage matrix for 10 inds at 100 loci
ks<-beta.dosage(dos) # kinship matrix
kinship2grm(ks)
## End(Not run)

Author(s)

Jerome Goudet jerome.goudet@unil.ch