Research Article
Optimal Bandwidth Selection for Kernel Density Functionals Estimation
Figure 7
The MSE of in terms of bandwidth selection ; “1-ROT(L)” means ; “2a-DPI(L)” means with pilot bandwidth ; “2b-DPI(L)” means with pilot bandwidth ; “3-ROT(d)” means ; “4-UCV(d)” means ; “5-DPI(d)” means .