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Performance comparison with statistical test on Letter.
| Data set (training number, category) | MHW-KELM | Gauss-KELM | Poly-KELM | Original ELM | SCG-BP | |
|---|---|---|---|---|---|---|
| Letter (2000, 26) | Mean | 72.62 | 86.80 | 68.79 | 15.51 | <10 |
| Std. | ±13.26 | ±4.32 | ±3.88 | ±5.48 | ||
| p value | 0.11 | 1.00 | 0.01 | 2.43e − 03 | 0 | |
| Time | 1.668 | 1.833 | 2.132 | 4.559 | 7.270 |
