Table 1.

Five-fold cross-validation results stratified by peptide length.

	Length	Accuracy	AUC	F1	MCC	Specificity	Sensitivity	Precision	AUPR	Positive 1	Negative 2
Class I	8 mer	0.891	0.924	0.783	0.531	0.887	0.677	0.525	0.785	229	1879
	9 mer	0.883	0.915	0.745	0.650	0.902	0.735	0.760	0.800	23,000	72,963
	10 mer	0.813	0.850	0.693	0.527	0.842	0.690	0.661	0.725	7263	14,024
	11 mer	0.879	0.905	0.768	0.608	0.881	0.756	0.651	0.755	310	1604
	Others	0.986	1.000	0.992	0.564	0.750	1.000	0.985	1.000	54	803
Class II	13 mer	0.857	0.879	0.883	0.700	0.833	0.872	0.895	0.923	232	205
	14 mer	0.898	0.907	0.880	0.792	0.912	0.880	0.880	0.873	131	239
	15 mer	0.868	0.906	0.781	0.687	0.912	0.769	0.794	0.840	16,743	25,683
	16 mer	0.776	0.846	0.802	0.545	0.718	0.823	0.782	0.878	563	569
	17 mer	0.680	0.673	0.429	0.312	0.933	0.300	0.750	0.643	106	257
	18 mer	0.643	0.939	0.706	0.452	1.000	0.545	1.000	0.986	71	40
	19 mer	0.875	0.938	0.857	0.775	1.000	0.750	1.000	0.950	55	75
	20 mer	0.750	0.900	0.500	0.488	1.000	0.333	1.000	0.886	65	66
	Other	0.690	0.640	0.381	0.183	0.758	0.444	0.333	0.566	81	259

¹ Number of positives; ² Number of negatives