Research Article
Influence Factors’ Analysis of the Face-End Roof Leaks Exposed to Repeated Mining Based on Multiple Linear Regression
Table 10
Regression coefficient of subsidence of the face-end roof under repeated mining.
| | Model | Unstandardized coefficient | Standardized coefficient
Beta | t | Significance | Tolerance | VIF | | B | Standard error |
| | Constant | −0.208 | 0.250 | | −0.831 | 0.417 | 1.000 | 1.000 | | Mining height | 0.244 | 0.037 | 0.666 | 6.684 | 0.000 | 1.000 | 1.000 | | Tip-to-face distance | 0.216 | 0.037 | 0.589 | 5.917 | 0.000 | 1.000 | 1.000 | | Distance of coal seams | −0.007 | 0.006 | −0.109 | −1.096 | 0.288 | 1.000 | 1.000 | | Surrounding rock strength | −0.016 | 0.037 | −0.044 | −0.438 | 0.666 | 1.000 | 1.000 | | Support setting load | 0.004 | 0.018 | 0.022 | 0.219 | 0.829 | 1.000 | 1.000 | | Advancing speed | −0.024 | 0.018 | −0.131 | −1.315 | 0.205 | 1.000 | 1.000 |
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