Table 4.

Summary of LDA classification results.

Modality	Accuracy of Training Data (%)				Accuracy of Validation Data (%)
	Raw Data		Norm Data		Raw Data		Norm Data
	Direct	Stepwise	Direct	Stepwise	Direct	Stepwise	Direct	Stepwise
E-Nose	73.0	72.8	69.1	70.3	74.9	76.5	74.9	71.9
FTIR	91.7	91.9	79.5	79.5	88.0	87.5	68.4	64.1
LLF	92.6	93.1	91.2	91.2	91.7	90.3	90.3	92.2
ILF	80.2	81.1	87.0	87.0	81.8	88.2	81.6	88.7