Table 5.

Impact evaluation of train set and test set ratio: An 80% vs. 20% Split.

Classification group	Method		Dimension of data	Average Index
	PCA	ReliefF		Accuracy (%)	Sensitivity (%)	Specificity (%)
XO	×	×	603	96.79	96.62	96.94
XE	✓	×	20	97.50	94.74	100.00
XS	×	✓	3	92.88	90.53	95.00
XF	✓	✓	23	98.25	96.84	99.52