Copula-Based Method for Estimating the Minimum Void Ratio Parameters of Tailings Deposits

Table 7

Comparison of the predicted and actual values of different assurance rates.

Tailings sand samples	Minimum void ratio	0.285 predicted value	Error	0.485 predicted value	Error	0.685 predicted value	Error
	0.90544	0.8226	9.15%	0.8746	3.41%	0.9163	-1.20%
	0.69488	0.5357	22.91%	0.5889	15.25%	0.3116	55.16%
	0.67249	0.5507	18.11%	0.6043	10.14%	0.6617	1.60%
	0.62773	0.5737	8.61%	0.6279	-0.03%	0.6838	-8.93%
	0.68097	0.5263	22.71%	0.5793	14.93%	0.6404	5.96%
	0.69589	0.5307	23.74%	0.5838	16.11%	0.6404	7.97%
	0.73558	0.554	24.69%	0.6076	17.40%	0.6649	9.61%
	0.83792	0.6889	17.78%	0.7443	11.17%	0.7998	4.55%
	0.89796	0.8461	5.78%	0.8972	0.08%	0.9476	-5.53%
	0.5433	0.5098	6.17%	0.5625	-3.53%	0.6199	-14.10%
	0.59038	0.5493	6.96%	0.6029	-2.12%	0.6599	-11.78%
	0.55952	0.5184	7.35%	0.5712	-2.09%	0.6293	-12.47%
	0.55082	0.5148	6.54%	0.5676	-3.05%	0.625	-13.47%
	0.57421	0.525	8.57%	0.578	-0.66%	0.636	-10.76%
	0.68939	0.5236	24.05%	0.5765	16.38%	0.6338	8.06%
	0.81825	0.6721	17.86%	0.7277	11.07%	0.7833	4.27%
	0.90959	0.8563	5.86%	0.9071	0.27%	0.9569	-5.20%
	0.60815	0.5643	7.21%	0.6182	-1.65%	0.6752	-11.03%
	0.57182	0.5247	8.24%	0.5777	-1.03%	0.6349	-11.03%
	0.60973	0.5475	10.21%	0.601	1.43%	0.6582	-7.95%
	0.65919	0.6156	6.61%	0.6707	-1.75%	0.7114	-7.92%
	0.61729	0.5362	13.14%	0.5895	4.50%	0.6467	-4.76%
	0.69184	0.5899	14.73%	0.6444	6.86%	0.7013	-1.37%
	0.7957	0.6744	15.24%	0.7299	8.27%	0.7854	1.29%
	0.85	0.758	10.82%	0.8121	4.46%	0.8647	-1.73%
	0.52627	0.5531	-5.10%	0.6067	-15.28%	0.6638	-26.13%
	0.49367	0.5088	-3.06%	0.5615	-13.74%	0.6188	-25.35%
	0.52498	0.5286	-0.69%	0.5817	-10.80%	0.6389	-21.70%
	0.5434	0.5412	0.40%	0.5946	-9.42%	0.6517	-19.93%
	0.60667	0.5866	3.31%	0.641	-5.66%	0.6979	-15.04%
	0.73082	0.5833	20.19%	0.6377	12.74%	0.6945	4.97%
	0.8456	0.648	23.37%	0.7035	16.80%	0.7596	10.17%
	0.81946	0.7136	12.92%	0.7687	6.19%	0.8232	-0.46%
	0.50853	0.5836	-14.76%	0.638	-25.46%	0.6949	-36.65%
	0.42728	0.4902	-14.73%	0.5426	-26.99%	0.6002	-40.47%
	0.48717	0.5403	-10.91%	0.5936	-21.85%	0.6508	-33.59%
	0.50237	0.5467	-8.82%	0.6002	-19.47%	0.6574	-30.86%
	0.56084	0.5798	-3.38%	0.6341	-13.06%	0.691	-23.21%
	0.65974	0.6896	-4.53%	0.745	-12.92%	0.8002	-21.29%
	0.7553	0.7842	-3.83%	0.8375	-10.88%	0.8897	-17.79%
	0.80066	0.7252	9.42%	0.7802	2.56%	0.8343	-4.20%
	0.45632	0.4803	-5.26%	0.5325	-16.69%	0.5903	-29.36%
	0.473	0.4897	-3.53%	0.542	-14.59%	0.5996	-26.77%
	0.56146	0.5445	3.02%	0.598	-6.51%	0.6551	-16.68%
	0.67757	0.6615	2.37%	0.7171	-5.83%	0.773	-14.08%
	0.6527	0.6323	3.13%	0.6877	-5.36%	0.744	-13.99%
	0.71837	0.7049	1.88%	0.7601	-5.81%	0.8149	-13.44%
	0.77798	0.763	1.93%	0.817	-5.02%	0.8698	-11.80%
	0.75513	0.6942	8.07%	0.7496	0.73%	0.8046	-6.55%
	0.43989	0.4806	-9.25%	0.5329	-21.14%	0.5906	-34.26%
	0.51207	0.534	-4.28%	0.5872	-14.67%	0.6443	-25.82%
	0.58253	0.5416	7.03%	0.595	-2.14%	0.6521	-11.94%
	0.63562	0.5588	12.09%	0.6126	3.62%	0.6696	-5.35%
	0.62532	0.5215	16.60%	0.5744	8.14%	0.6317	-1.02%
	0.69679	0.5964	14.41%	0.651	6.57%	0.7078	-1.58%
	0.81622	0.6658	18.43%	0.7213	11.63%	0.7771	4.79%