Table 4.

The results in the ISB test data with the SVM classifier for doubly charged spectra

Times	FP	FN	TPR (%)	TNR (%)
1	1608	64	92.1	90.4
2	1631	69	91.5	90.3
3	1853	52	93.6	89.0
4	1879	46	94.3	88.8
5	1719	63	92.2	89.8
6	1887	55	93.2	88.8
7	1633	65	92.0	90.3
8	1667	74	90.9	90.1
9	1643	70	91.4	90.2
10	1660	80	90.2	90.1
11	2070	59	92.7	87.7
12	1723	58	92.9	89.8
13	1739	73	91.0	89.7
14	1813	74	90.9	89.2
15	1667	68	91.6	90.1
16	1921	57	93.0	88.6
17	1793	54	93.4	89.3
18	1756	77	90.5	89.6
19	1767	55	93.2	89.5
20	1653	73	91.0	90.2
Ave.	1754	64	92.1	89.6
SD	120.5	9.5	1.17	0.72