Table 9 Statistical significance of difference between fuzzy expert systems and neural network levels prediction
Levels | GC | GF | GRW | GQ | GSM | GLR | GW | GS | GA |
|---|---|---|---|---|---|---|---|---|---|
FES mean | 4.9218 | 5.0071 | 5.1522 | 5.0057 | 4.0996 | 3.8606 | 4.8606 | 3.6700 | 5.3954 |
NN mean | 5.0356 | 5.1636 | 5.2959 | 5.1650 | 4.3599 | 3.8549 | 5.0654 | 3.6202 | 5.6060 |
Difference | -0.1138 | -0.1565 | -0.1437 | -0.1593 | -0.2603 | 0.0057 | -0.2048 | 0.0498 | -0.2105 |
P-value (ANOVA) | 0.0525 | 0.0082 | 0.0112 | 0.0071 | 0.0003 | 0.9418 | 0.0029 | 0.5764 | 0.0000 |
P-value (K-W) | 0.0979 | 0.0099 | 0.0045 | 0.0093 | 0.0002 | 0.9434 | 0.0000 | 0.7498 | 0.0000 |
Stat.signif. 5% (ANOVA) | No | Yes | Yes | Yes | Yes | No | Yes | No | Yes |
Stat.signif. 5% (K-W) | No | Yes | Yes | Yes | Yes | No | Yes | No | Yes |
| Â | ACCEPT | REJECT | REJECT | REJECT | REJECT | ACCEPT | REJECT | ACCEPT | REJECT |