Research Article

A Novel Model Based on Square Root Elastic Net and Artificial Neural Network for Forecasting Global Solar Radiation

Figure 6

Boxplot of RMSEs of ENN, (a) LASSOENN, (b) PCAENN, (c) SCADENN, (d) SRLENN, (e) SRENENN-A, and (f) SRENENN-B for six sites in one year. (A, C, E, G, I, K) presents the RMSEs of each model without any limitation, and (B, D, F, H, J, L) presents the RMSEs of each model with the limitation.