Research Article
The Health Index Prediction Model and Application of PCP in CBM Wells Based on Deep Learning
| Pearson’s correlation coefficient | Correlation |
| 0.8–1.0 | Extremely strongly correlated | 0.6–0.8 | Strongly correlated | 0.4–0.6 | Moderately correlated | 0.2–0.4 | Weakly correlated | 0.0–0.2 | Very weakly correlated or not correlated |
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