Table 2 Statistical summary of the regression analysis between simulated and field data.

From: Quantifying fracture roughness effects on coal mine spontaneous combustion through a coupled thermos hydro mechanical model

Statistic

Value

95% confidence interval

Slope

0.95

0.91–0.99

Intercept (m³ d⁻¹)

2.1 × 10³

–1.5 × 10³ – 5.7 × 10³

R²

0.88

–

Pearson r

0.94

–

RMSE (m³ d⁻¹)

3.8 × 10³

–

MAE (m³ d⁻¹)

3.1 × 10³

–

MAPE (%)

3.9

–

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