Table 8. Prediction accuracies of the proposed approach in predicting the antimicrobial peptides using Xiao training dataset.

Feature	Sample size	Performance metrics
		Sn ± SE	Sp ± SE	Ac ± SE	MCC
PAAC + NAAC + PHYC + STRL	100	96.28 ± 1.76	95.58 ± 2.00	95.93 ± 1.30	0.91 ± 0.026
	500	94.46 ± 0.72	93.83 ± 0.91	94.15 ± 0.53	0.88 ± 0.011
	769	94.10 ± 0.61	93.59 ± 0.81	93.84 ± 0.50	0.88 ± 0.010
AAC + NAAC + PHYC + STRL	100	95.88 ± 1.95	95.57 ± 1.97	95.72 ± 1.35	0.91 ± 0.026
	500	94.51 ± 0.81	93.73 ± 0.93	94.12 ± 0.62	0.88 ± 0.012
	769	94.08 ± 0.52	93.63 ± 0.83	93.85 ± 0.49	0.88 ± 0.009

SE: Standard Error.