Research on Management and Control of Miners’ Unsafe Behavior Based on Gray Theory

Table 5

Miners’ unsafe behavior for each sequence relational coefficient.

Time	Relational coefficient
	1–10^th of January	0.783945	0.659407	0.783945	0.811818	0.664457	0.659407	0.625013	0.803833	0.33711	0.659407	0.958079	0.803833
11–20^th of January	0.966481	0.701884	0.844721	0.877174	0.701884	0.471931	0.891028	0.701884	0.701884	0.378691	0.963002	0.859292
21–31^st of January	0.649578	0.887715	0.945508	0.513011	0.494734	0.656856	0.68878	0.494734	0.494734	0.494734	0.931876	0.656932
1–10^th of February	0.580382	0.588212	0.999736	0.588212	0.756754	0.54241	0.884468	0.942964	0.588212	0.422771	0.857673	0.631927
11–20^th of February	0.935369	0.805701	0.935369	0.742653	0.719287	0.613033	0.941806	0.88549	0.613033	0.613033	0.930489	0.901502
20–28^th of February	0.719258	0.805701	0.935369	0.941785	0.613033	0.522888	0.486692	0.88549	0.613033	0.719287	0.999999	0.901502
1–10^th of March	0.828659	0.544165	0.988401	0.735246	0.468186	0.518266	0.735259	0.619577	0.518266	0.518266	0.858457	0.710462
11–20^th of March	0.584271	0.713386	0.813199	0.607604	0.679983	0.679983	0.929013	0.775237	0.568304	0.644797	0.814437	0.826694
21–31^st of March	0.896867	0.966503	0.63078	0.782044	0.84476	0.544149	0.544149	0.948073	0.378048	0.544149	0.987876	0.760018

According formula (9), the gray relational degree of each variable sequence to the reference sequence is obtained, and the specific value is shown in Table 6.