Table 7 Feature selection outcome for the five methods applied: proportion of variance explained and discriminant power of the extracted data set
Method | % of variance explained | Discriminant power of the set [0–1] |
|---|---|---|
No extraction | 61.12% | 0.633 |
PCA | 71.22% | 0.748 |
KPCA | 73.34% | 0.772 |
GPCA | 75.71% | 0.811 |
CCPCA | 77.28% | 0.848 |
LDA | 61.11% | 0.647 |