Avg_GRM score

Mean of the relationship matrix \(G = XX'/p\) between the training set and the target rows (a = 1, b = 0 of the generalized Avg_GRM). Larger is better.

Usage

avg_grm_score(X, X0)

Arguments

X

A numeric matrix of the training set (row: individual; column: marker or PC).

X0

A numeric matrix of the target rows (the test set), with the same columns as X.

Value

A number.

Details

See criteria for the list of criteria and the package website for one page per criterion.

References

Fernandez-Gonzalez, J., Akdemir, D., & Isidro y Sanchez, J. (2023). A comparison of methods for training population optimization in genomic selection. Theoretical and Applied Genetics, 136, 30. <doi:10.1007/s00122-023-04265-6>

Author

Jen-Hsiang Ou

Examples

data(geno)
avg_grm_score(geno[1:50, ], geno[51:100, ])
#> [1] -0.158039