Study of Flight Departure Delay and Causal Factor Using Spatial Analysis

Table 5

Results of the comparison of cross-validation between different interpolation methods.

Interpolation method		M	RMS	A_Std	Std_M	Std_RMS
IDW		8.0616	298.4739
Ordinary kriging	Exponential	1.7808	301.0585	312.6256	0.0040	0.9665
	Spherical	3.0301	307.9240	331.4682	0.0077	0.9312
	Gaussian	2.9745	316.4641	336.4019	0.0075	0.9426