Table 2. Classification Accuracy of Different Comparative Algorithms on Raman Dataset.

Algorithm	Train Acc	Test Acc	G-Mean	F-Value
PCA	0.5087	0.4958	0.5259	0.5208
LDA	1.0000	0.9603	0.9599	0.9399
PLS	0.9870	0.9841	0.9854	0.9755
PLS-LDA	0.9870	0.9847	0.9861	0.9762
Shrinkage LDA	0.9815	0.9783	0.9815	0.9669
LDA-PLS	0.9935	0.9848	0.9849	0.9765
ex-LDA-PLS	1.0000	0.9794	0.9758	0.9680