Interpolation of Missing Precipitation Data Using Kernel Estimations for Hydrologic Modeling

Table 3

Chi-square () test with Wilcoxon signed rank method between regression and five different kernel methods.

(a) 4-NN

		Ep	Qu	Tw	Tc	Co
Reg		−3.823	−3.823	−3.823	−3.823	−3.823
	value	0.0001	0.0001	0.0001	0.0001	0.0001

(b) 6-NN

		Ep	Qu	Tw	Tc	Co
Reg		−3.823	−3.823	−3.823	−3.823	−3.823
	value	0.0001	0.0001	0.0001	0.0001	0.0001

(c) 8-NN

		Ep	Qu	Tw	Tc	Co
Reg		−3.823	−3.823	−3.823	−3.823	−3.823
	value	0.0001	0.0001	0.0001	0.0001	0.0001

(Ep: Epanechnikov, Qu: Quartic, Tw: Triweight, Tc: Tricube, Co: Cosine, and Reg: regression).