Research Article
Research on the Influence of Natural Wind Pressure in Deep Mines on Ventilation Stability
Table 2
Correlation evaluation criteria based on r value.
| r value | −1∼−0.8 | −0.8∼−0.5 | −0.5∼−0.3 | −0.3∼0 | 0∼0.3 | 0.3∼0.5 | 0.5∼0.8 | 0.8∼1 |
| Correlation | Highly negative correlation | Moderately negative correlation | Low negative correlation | Weak negative correlation | Weak positive correlation | Low positive correlation | Moderately positive correlation | Highly positive correlation |
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