Research Article
Online Regularized and Kernelized Extreme Learning Machines with Forgetting Mechanism
Table 2
MAPE comparison between the proposed ELMs and other ELMs on identification of process (
20) with input (
23).
| | 50 | 70 | 100 | 150 | 200 | |
| | FOS-ELM () | 5.8327 | 0.6123 | 0.5415 | 1.0993 | 0.7288 | — | ReOS-ELM | — | — | — | — | — | 0.3236 | DR-ELM | 0.3412 | 0.4318 | 0.3440 | 0.7437 | 0.4007 | — | FORELM () | 0.2689 | 0.3639 | 0.3135 | 0.8583 | 0.4661 | — |
| | FOS-ELM | 5.0473 | 1.7010 | 2.4941 | 0.9537 | 0.9272 | — | ReOS-ELM | — | — | — | — | — | 0.4773 | DR-ELM | 0.3418 | 0.3158 | 0.4577 | 0.5680 | 0.3127 | — | FORELM | 0.3391 | 0.2568 | 0.3834 | 0.6228 | 0.2908 | — |
| | FOS-ELM | × | × | × | 209.8850 | 3.9992 | — | ReOS-ELM | — | — | — | — | — | 0.2551 | DR-ELM | 0.3876 | 0.3109 | 0.3808 | 0.5486 | 0.3029 | — | FORELM | 0.3478 | 0.2960 | 0.3145 | 0.5504 | 0.3514 | — |
| | FOS-ELM | × | × | × | × | × | — | ReOS-ELM | — | — | — | — | — | 0.2622 | DR-ELM | 0.2473 | 0.2748 | 0.2163 | 0.5471 | 0.3381 | — | FORELM | 0.3229 | 0.2506 | 0.2074 | 0.5501 | 0.2936 | — |
| | FOS-ELM | × | × | × | × | × | — | ReOS-ELM | — | — | — | — | — | 0.3360 | DR-ELM | 0.2725 | 0.2365 | 0.2133 | 0.5439 | 0.3071 | — | FORELM | 0.2713 | 0.2418 | 0.2050 | 0.5432 | 0.3133 | — |
| | FOS-ELM | × | × | × | × | × | — | ReOS-ELM | — | — | — | — | — | 0.2687 | DR-ELM | 0.2539 | 0.2454 | 0.2069 | 0.5443 | 0.3161 | — | FORELM | 0.2643 | 0.2370 | 0.2029 | 0.5443 | 0.3148 | — |
| | FOS-ELM | × | × | × | × | × | — | ReOS-ELM | — | — | — | — | — | 0.2657 | DR-ELM | 0.2520 | 0.2456 | 0.2053 | 0.5420 | 0.3260 | — | FORELM | 0.2277 | 0.2382 | 0.2285 | 0.5430 | 0.3208 | — |
| | FOS-ELM | × | × | × | × | × | — | ReOS-ELM | — | — | — | — | — | 0.3784 | DR-ELM | 0.2388 | 0.2401 | 0.3112 | 0.5415 | 0.3225 | — | FORELM | 0.2128 | 0.2325 | 0.3006 | 0.5416 | 0.3247 | — |
| | FOS-ELM | × | × | × | × | × | — | ReOS-ELM | — | — | — | — | — | 0.4179 | DR-ELM | 0.2230 | 0.2550 | 0.3412 | 0.5431 | 0.3283 | — | FORELM | 0.2228 | 0.2525 | 0.3347 | 0.5412 | 0.3293 | — |
| FOKELM | 0.2397 | 0.2345 | 0.3125 | 0.5421 | 0.3178 | — |
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