U.center {GSDA}

U Centering

Description

U-center the distance matrix in preparation of computing distance correlations.

Usage

U.center(d)

Arguments

d

A square numeric data matrix

Details

This funtion centers the distance matrix according to U-centering formula on page 6 of arXiv 1902.03291 paper

Value

A centered data matrix

Author(s)

Xueyuan Cao [e-mail] and Stanley Pounds [e-mail]

References

Cao X and Pounds S (2021) Gene-Set Distance Associations (GSDA): A Powerful Tool for Gene-Set Association Analysis.

Zhu C, Yao S, Zhang X and Shao X. Distance-based and RKHS-based Dependence Metrics in High Dimension. arXiv:1902.03291

See Also

uc.dist

Examples

data(target.aml.clin)
cd=cat.dist(target.aml.clin$Chloroma)
ud=U.center(cd)
ud[1:5,1:5]