Research Article

The Health Index Prediction Model and Application of PCP in CBM Wells Based on Deep Learning

Table 1

Correlation degree.

Pearson’s correlation coefficientCorrelation

0.8–1.0Extremely strongly correlated
0.6–0.8Strongly correlated
0.4–0.6Moderately correlated
0.2–0.4Weakly correlated
0.0–0.2Very weakly correlated or not correlated