CD-score

This function calculate CD-score <doi:10.1186/1297-9686-28-4-359> by given training set and test set.

Usage

cd_score(X, X0)

Arguments

X

A numeric matrix. The training set genotypic information matrix can be given as genotype matrix (coded as -1, 0, 1) or principle component matrix (row: sample; column: marker).

X0

A numeric mareix. The test set genotypic information matrix can be given as genotype matrix (coded as -1, 0, 1) or principle component matrix (row: sample; column: marker).

Value

A floating-point number, CD score.

Author

Jen-Hsiang Ou

Examples

data(geno)
if (FALSE) cd_score(geno[1:50, ], geno[51:100])