Table 9 Numerical test fitting parameters.
From: Attenuation model of tunnel blast vibration velocity based on the influence of free surface
Formula number | (1) | (3) | (2) | (4) |
|---|---|---|---|---|
Best estimation of parameter | K = 0.3338 | K = 0.2493 | k = 6.147 × 10–4 | k = 3.187 × 10–4 |
q = 0.9832 | q = 0.1984 | α = 0.9834 | α = 0.1985 | |
β = 0.3664 | β = 0.3664 | |||
SSE | 0.03037 | 0.01371 | 0.03037 | 0.01371 |
RMSE | 0.03557 | 0.02441 | 0.03557 | 0.02441 |
R-square | 0.8398 | 0.9277 | 0.8398 | 0.9277 |
Adjusted R-square | 0.8331 | 0.9214 | 0.8331 | 0.9214 |
