Table 5.

The confusion matrix of the BP network.

BP network
Class	C1	C2	C3	C4	C5	Sen(%)	Spe(%)	Ppr(%)	Acc(%)
C1	6,573	79	14	1,580	252	86.91	92.25	77.34	87.25
C2	354	6,430	13	242	33	97.24	97.51	90.92
C3	33	6	6,726	65	186	93.87	98.85	95.88
C4	472	7	11	2,732	27	57.41	98.13	84.08
C5	132	90	401	139	5,826	92.12	97.08	88.43