Computation of Ancestry Scores with Mixed Families and Unrelated Individuals
column centering of the data matrix
Sample covariance calculator
Family average approach
Fast covariance function
Find families
The geometric rotation approach
The matrix substitution approach
Matrix square root function
Computation of ancestry scores with mixed families and unrelated indiv...
The covariance preserving whitening function.
Residualization and scale of the original genotype data
Indicators for of the row and column of the original matrix
Scale each row of a matrix
We provide several algorithms to compute the genotype ancestry scores (such as eigenvector projections) in the case where highly correlated individuals are involved.