Table 28.
Values of ORL database (test #2).
| Method | N | Mean | Standard deviation |
Error standard deviation of the mean | Estimated difference |
t-value | P value | Degrees of freedom |
|---|---|---|---|---|---|---|---|---|
| Azami et al. [43] (CGA + PCA) |
5 | 95.91 | 0.409 | 0.18 | −2.590 | −8.96 | 1.9091E − 05 | 8 |
| Proposed method | 5 | 98.50 | 0.500 | 0.22 | ||||
|
| ||||||||
| Ch'Ng et al. [3] (PCA + LDA) | 4 | 94.75 | 1.19 | 0.60 | −3.750 | −5.90 | 0.004 | 3 |
| Proposed method | 5 | 98.50 | 0.500 | 0.22 | ||||
|
| ||||||||
| Sánchez et al. [38] (FA) |
5 | 98.30 | 0.447 | 0.20 | −0.20 | −0.67 | 0.523 | 8 |
| Proposed method | 5 | 98.50 | 0.500 | 0.22 | ||||
|
| ||||||||
| Sánchez et al. [39] (MGNNs + complexity) |
5 | 97.59 | 1.71 | 0.76 | −0.94 | −1.15 | 0.314 | 4 |
| Proposed method | 5 | 98.50 | 0.500 | 0.22 | ||||