EMD-GM-ARMA Model for Mining Safety Production Situation Prediction

Table 3

Comparison of model prediction results.

Serial number	Year	Actual value	Predicted value of EMD-GM-ARMA model	Predicted value of ARIMA model	Wavelet neural network prediction value	PSO-SVM prediction
1	September 2017	0.024155	0.026384	0.017070	0.017823	0.028374
2	October 2017	0.065876	0.070810	0.077484	0.046273	0.069373
3	November 2017	0.032938	0.035605	0.028937	0.041029	0.042813
4	December 2017	0.024155	0.026151	0.020423	0.032475	0.027364
5	January 2018	0.023524	0.025697	0.019736	0.035171	0.024485
6	February 2018	0.000000	0.008040	0.008586	0.030234	0.009230
7	March 2018	0.000000	0.008230	0.008434	0.012033	0.005392
8	April 2018	0.035286	0.039039	0.042802	0.034172	0.029305
9	May 2018	0.025876	0.028689	0.025535	0.042168	0.027293
10	June 2018	0.035286	0.037537	0.042490	0.048372	0.029484
11	July 2018	0.007057	0.007916	0.005843	0.012834	0.020293
12	August 2018	0.030581	0.035165	0.037057	0.021734	0.022388
13	September 2018	0.023524	0.025827	0.021576	0.032013	0.026344
14	October 2018	0.077629	0.082357	0.091440	0.042733	0.043823
15	November 2018	0.030581	0.034332	0.022855	0.045273	0.052723
16	December 2018	0.023524	0.026606	0.029769	0.039773	0.034785
17	January 2019	0.055000	0.058097	0.063285	0.034767	0.039374
18	February 2019	0.055000	0.060939	0.064205	0.049589	0.054989
19	March 2019	0.007500	0.008486	0.006482	0.007342	0.013546
20	April 2019	0.000000	0.0011312	0.004436	0.006273	0.008485