Research on the Prediction Method of Monthly Hidden Danger Quantity in Coal Mine Based on BP Neural Network Periodic Combination Model

Table 4

Data sheet for samples.

ID	Input data			Output data
	(1)	(2)	(3)
1	29	18	31	30
2	18	31	30	31
3	31	30	31	27
4	30	31	27	30
5	31	27	30	26
6	27	30	26	28
7	30	26	28	23
8	26	28	23	25
9	28	23	25	25
10	23	25	25	20
11	25	25	20	15
12	25	20	15	14
13	20	15	14	22
14	15	14	22	24
15	14	22	24	23
16	22	24	23	19
17	24	23	19	31
18	23	19	31	30
19	19	31	30	24
20	31	30	24	30
21	30	24	30	24
22	24	30	24	30
23	30	24	30	17
24	24	30	17	31
25	30	17	31	30
26	17	31	30	31
27	31	30	31	30
28	30	31	30	29
29	31	30	29	30
30	30	29	30	28
31	29	30	28	23
32	30	28	23	30
33	28	23	30	25