Table 1.

Prior distributions of model space with one covariate (p = 1) under different assumptions of π_main and π_int

model		joint prior prob of each model
main	int	πmain = 0.5	πmain = 0.2	πmain = 0.5
		πint = 0.5	πint = 0.2	πint = 0.33
0	0	.25	.64	.33
1	0	.25	.16	.33
0	1	0	0	0
1	1	.5	.2	.33

π_main is equivalent to π₁ in Equation (3), since p = 1.

π_int is equivalent to π₂ in Equation (3), since p = 1.