Table 4.

Linear random regression (co)variance components estimates for IMF on longitude in two regions^{1, 2}

	β 0 North	β 1 North	β 0 South	β 1 South
β 0 North	0.32 ± 0.008	0.32 ± 0.020	0.78 ± 0.038	0.18 ± 0.085
β 1 North	0.07 ± 0.007	0.17 ± 0.011	0.06 ± 0.070	0.11 ± 0.148
β 0 South	0.20 ± 0.011	0.01 ± 0.013	0.21 ± 0.006	–0.03 ± 0.027
β 1 South	0.03 ± 0.016	0.02 ± 0.020	–0.01 ± 0.004	0.11 ± 0.008

¹Variances are on diagonal and in bold type. Covariances are below that diagonal and correlation coefficients are above.

²Data were divided into North and South regions at 40°N latitude.