From: GWAPower: a statistical power calculation software for genome-wide association studies with quantitative traits
Degree of Freedom
Sum of Squares
Mean Squares
F
Genetic Model
P = 1
SSM
MSM=SSM
MSM/MSE
Error
N-p=N-2
SSE
MSE=SSE/(N-2)
Total
N-1
SST=SSM+SSE