Research Article
A Sequential Optimization Sampling Method for Metamodels with Radial Basis Functions
Table 5
Metamodel accuracy results for functions 1–6 between SOSM and previous sequential sampling methods.
| Number | SOSM | CV [25] | KSSM [28] | SLE [29] | | RMSE | NRMSE | | RMSE | NRMSE | | RMSE | NRMSE | | RMSE | NRMSE | |
| 1 | 0.663 | 28.214 | −10.002 | 0.699 | 29.707 | −9.995 | 0.709 | 30.142 | −10.017 | 0.493 | 20.951 | −9.539 | −10 | 2 | 0.061 | 9.798 | −1.715 | 0.089 | 14.312 | −1.715 | 0.120 | 19.343 | −1.716 | 0.065 | 10.504 | −1.622 | −1.715 | 3 | 1.674 | 6.464 | −0.002 | 2.261 | 8.732 | 0.000 | 2.305 | 8.902 | −0.001 | 1.459 | 5.636 | 0.105 | 0 | 4 | 0.728 | 38.118 | −6.556 | 0.813 | 42.601 | −6.514 | 0.847 | 44.359 | −6.552 | 0.533 | 27.899 | −5.904 | −6.551 | 5 | 2.455 | 10.531 | −34.243 | 2.508 | 10.759 | −33.794 | 2.466 | 10.575 | −34.259 | 2.789 | 11.961 | −12.212 | −34.63 | 6 | 0.995 | 10.011 | 0.116 | 0.943 | 9.486 | 0.390 | 0.950 | 9.558 | 0.052 | 0.703 | 7.080 | 1.274 | 0 |
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