Table 2.
α = π/2 | α = π/3 | α = π/4 | α = π/6 | α = 0 | |
ratio = 10 | |||||
PLS+DA | 0.82(0.05)//2 | 0.81(0.03)//2 | 0.76(0.03)//2 | 0.71(0.04)//2 | 0.59(0.04)//2 |
PCA+DA | 0.85(0.05)//3 | 0.81(0.04)//3 | 0.77(0.05)//3 | 0.73(0.05)//3 | 0.59(0.04)//3 |
BGA | 0.76(0.05) | 0.75(0.04) | 0.66(0.03) | 0.67(0.04) | 0.58(0.04) |
ratio = 2 | |||||
PLS+DA | 0.68(0.05)//1 | 0.65(0.04)//1 | 0.65(0.05)//1 | 0.65(0.05)//2 | 0.63(0.05)//1 |
PCA+DA | 0.69(0.05)//3 | 0.65(0.04)//3 | 0.67(0.04)//2 | 0.65(0.04)//2 | 0.63(0.04)//2 |
BGA | 0.67(0.06) | 0.62(0.04) | 0.64(0.05) | 0.65(.04) | 0.62(0.05) |
ratio = 1 | |||||
PLS+DA | 0.60(0.05)//2 | 0.62(0.05)//1 | 0.64(0.05)//2 | 0.62(0.05)//1 | 0.61(0.05)//1 |
PCA+DA | 0.63(0.04)//3 | 0.63(0.04)//2 | 0.63(0.05)//2 | 0.64(0.05)//2 | 0.63(0.05)//2 |
BGA | 0.61(0.05) | 0.62(0.05) | 0.61(0.05) | 0.61(0.05) | 0.60(0.05) |
Mean (Standard deviation)//Median of the optimal number of components over over fifty datasets simulated with a distance between the barycenters dist = 2. PLS: Partial Least Squares – PCA: Principal Components Analysis – DA: Discriminant Analysis.