PCFAM-package           Computation of ancestry scores with mixed
                        families and unrelated individuals
colcenter               column centering of the data matrix
cov.function            Sample covariance calculator
familyave               Family average approach
fastcov                 Fast covariance function
findfamilies            Find families
gr.pca                  The geometric rotation approach
ms.pca                  The matrix substitution approach
mysqrtm                 Matrix square root function
perfectwhiten           The covariance preserving whitening function.
residualize             Residualization and scale of the original
                        genotype data
rowcol                  Indicators for of the row and column of the
                        original matrix
rowscale                Scale each row of a matrix
