af                      Allele frequencies
af_snp                  Allele frequencies for SNP
center                  Matrix centering
centerscale             Matrix centering and scaling
hgdp_subset             HGDP subset
lfa                     Logistic factor analysis.
model.gof               LFA model goodness of fit
pca_af                  PCA Allele frequencies
read.bed                File input: .bed
read.tped.recode        Read .tped
trunc.svd               Truncated singular value decomposition
