Table 3 Partial regression coefficients without the MWWP at different currents
From: Penetration Estimation of GMA Backing Welding Based on Weld Pool Geometry Parameters
Model | Unstandardized coefficients | Standardized coefficients | t | Sig. | Adjusted R squared | F | |
|---|---|---|---|---|---|---|---|
\(\widehat{\beta }\) | Std. error | Beta | |||||
(Constant) | − 1.486 | 0.242 |  | − 6.135 | 0.000 | 0.767 | 873.864 |
AWP | 0.103 | 0.005 | 0.997 | 20.418 | 0.000 | ||
MLWP | − 0.095 | 0.034 | − 0.136 | − 2.792 | 0.005 | ||