calc_PVEnei             Calculating proportion of phenotypic variation
                        explained (PVE) by neighbor effects
delta_PVE               Estimating the effective scale of neighbor
                        effects
min_dist                Calculating the minimum distance
neiGWAS                 Genome-wide association mapping of neighbor
                        effects
nei_coval               Calculating neighbor genotypic identity
nei_simu                Simulating phenotypes with self and neighbor
                        effects
qtl_pheno_simu          Simulating phenotype values with neighbor
                        effects.
w                       Calculating a distance decay weight
