Study of Flight Departure Delay and Causal Factor Using Spatial Analysis

Table 4

Theoretical model fit comparison of isotropic semivariogram.

Model	Nugget	Sill	Range	RSS	R^2
Exponential	66979.4200	219070.4200	17.6000	5.48E+08	0.977
Spherical	90023.7000	206937.5788	14.0439	1.12E+09	0.955
Gaussian	105523.0000	203931.7816	11.4025	1.35E+09	0.947