Interpolation of Missing Precipitation Data Using Kernel Estimations for Hydrologic Modeling

Figure 4

Scatter plots for SWAT simulation (EP, QU, TW, TC, CO, and NN represents Epanechnikov, Quartic, Triweight, Tricube, Cosine, and NN-regression, resp.).

(a) 4-NN

(b) 6-NN

(c) 8-NN