Research Article
An Improved Nonequidistant Grey Model Based on Simpson Formula and Its Application
Figure 2
Errors by the competitive models in Case 2: (a) MAPE, (b) RMSPE, (c) MAE, (d) MSE, (e) IA, and (f) R.
(a) |
(b) |
(c) |
(d) |
(e) |
(f) |
(a) |
(b) |
(c) |
(d) |
(e) |
(f) |