A Novel Fault Diagnosis Strategy for Heterogeneous Wireless Sensor Networks

Table 3

Comparison of Sinc function fitting results.

Iteration	PSO-KELM			GWO-KELM			ABC-KELM			IABC-KELM
	RMSE	MAE	RSD	RMSE	MAE	RSD	RMSE	MAE	RSD	RMSE	MAE	RSD
5	0.014	0.009	0.988	0.017	0.009	0.968	0.014	0.007	0.990	0.010	0.006	0.993
10	0.011	0.007	0.986	0.014	0.009	0.971	0.011	0.007	0.993	0.008	0.006	0.995
15	0.010	0.007	0.984	0.012	0.007	0.971	0.010	0.006	0.994	0.007	0.005	0.996
20	0.010	0.006	0.982	0.011	0.007	0.969	0.010	0.005	0.994	0.007	0.005	0.997
25	0.009	0.006	0.983	0.010	0.006	0.967	0.009	0.005	0.994	0.007	0.004	0.997
30	0.009	0.005	0.984	0.009	0.006	0.965	0.009	0.005	0.994	0.007	0.004	0.997
35	0.009	0.005	0.986	0.009	0.006	0.962	0.009	0.005	0.994	0.007	0.004	0.998
40	0.009	0.005	0.987	0.009	0.005	0.960	0.009	0.004	0.994	0.006	0.003	0.998
45	0.009	0.004	0.987	0.009	0.004	0.959	0.008	0.004	0.995	0.006	0.003	0.998
50	0.009	0.004	0.988	0.009	0.004	0.957	0.008	0.004	0.995	0.006	0.003	0.998