Table 4.

Performance of different random forest-based models on validation dataset.

	mtry	Acc	Spec	Sens	Matthews correlation coefficient
Amino acid composition	mtry = 8	84.15	92.93	58.21	0.56
	mtry = 7	83.77	92.93	56.72	0.54
	mtry = 4	84.53	93.94	56.72	0.56
Dipeptide composition	mtry = 160	83.40	92.42	56.72	0.53
	mtry = 140	83.77	92.93	56.72	0.54
	mtry = 150	83.02	91.92	56.72	0.52
Amino acid pair	mtry = 45	84.91	94.95	55.22	0.57
	mtry = 35	85.28	94.95	56.72	0.58
	mtry = 25	86.42	95.45	59.70	0.62