Table 1. Difference in root location between unrotated and rotated cases for planar and spherical diffusion models.

The numbers in brackets represent the 95% HPD for the difference of expected and estimated angle.

Angle	Diffusion on plane				Diffusion on sphere
	Δ latitude		Δ longitude		Δ latitude		Δ longitude
0	0.00	(−2.19, 2.26)	0.01	(−1.94, 1.86)	−0.03	(−2.11, 1.82)	0.01	(−1.83, 1.99)
10	0.02	(−2.22, 2.22)	0.00	(−1.87, 1.89)	−0.05	(−2.84, 2.52)	0.03	(−2.95, 2.42)
20	0.07	(−2.21, 2.21)	0.00	(−1.91, 1.87)	−0.02	(−2.20, 2.69)	0.01	(−2.45, 2.70)
30	0.11	(−2.04, 2.42)	0.00	(−1.86, 1.88)	−0.09	(−2.42, 2.52)	0.10	(−2.42, 2.42)
40	0.16	(−2.16, 2.32)	−0.02	(−1.97, 1.84)	−0.17	(−2.81, 2.18)	−0.03	(−2.43, 2.23)
50	0.18	(−2.06, 2.38)	0.00	(−1.86, 1.88)	−0.04	(−2.45, 2.10)	−0.09	(−2.07, 2.31)
60	0.25	(−2.01, 2.50)	0.00	(−1.84, 1.94)	−0.20	(−2.51, 1.68)	0.00	(−2.11, 1.82)
70	0.37	(−1.92, 2.54)	0.01	(−1.91, 1.90)	−0.18	(−2.01, 1.79)	−0.01	(−1.72, 1.79)
80	0.68	(−1.56, 2.92)	−0.03	(−1.99, 1.93)	−0.22	(−2.03, 1.65)	0.06	(−1.35, 1.42)
90	4.54	(3.25, 5.02)	0.02	(−3.96, 3.56)	−0.01	(−1.44, 1.36)	0.00	(−1.08, 1.01)