Table 2.

Classification results of different models.

	Models	Label 1	Label 2	Label 3	Label 4	Label 5	Label 6
Label 1 (1612)	BPNN	1015	434	115	31	13	4
	SVM	1231	351	2	10	10	8
	DT	1035	285	142	84	41	25
	LSTM	1325	251	36	0	0	0
Label 2 (934)	BPNN	154	597	90	56	30	7
	SVM	204	691	16	5	13	5
	DT	179	526	94	94	25	16
	LSTM	56	801	40	19	13	5
Label 3 (549)	BPNN	67	96	312	51	19	4
	SVM	12	133	384	15	5	0
	DT	32	40	322	82	50	23
	LSTM	12	83	423	23	8	0
Label 4 (259)	BPNN	3	20	49	170	15	2
	SVM	0	5	54	179	21	0
	DT	16	11	31	159	23	19
	LSTM	0	4	34	198	23	0
Label 5 (234)	BPNN	0	19	21	35	131	28
	SVM	0	3	38	53	140	0
	DT	10	19	20	29	132	24
	LSTM	0	1	18	23	172	20
Label 6 (212)	BPNN	1	7	19	20	33	132
	SVM	0	0	0	4	64	144
	DT	19	18	17	16	20	122
	LSTM	0	0	0	14	32	166