Sunspots Time-Series Prediction Based on Complementary Ensemble Empirical Mode Decomposition and Wavelet Neural Network

Table 1

Error comparison of RMSE and MAE in five models.

Models	RMSE	MAE
BP	50.14155	4.75006
WNN	28.36957	3.44447
EMD-WNN	24.705	3.0122
EEMD-WNN	15.2656	1.7076
CEEMD-WNN	12.64374	1.58413