estimates cross-product of each SNP with one trait
Sxy.hat(beta1, Mx, N, Vx, muY)
| beta1 | vector of effect estimates from single SNP models |
|---|---|
| Mx | vector of mean genotype counts; 2*raf |
| N | sample size |
| Vx | vector of genotype count variances |
| muY | trait variance |
vector of cross-products between SNPs and trait