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Table 4 Results of all models on the validation sets by means of the scores calculated from Eqs. 56

From: Parasitic resistance as a predictor of faulty anodes in electro galvanizing: a comparison of machine learning, physical and hybrid models

  R2 Score MAE RMSE R2 Score MAE RMSE ΔRMSE
Baseline Hybrid Hybrid-Baseline
PLS 0.895 0.610 0.819 0.964 0.308 0.481 − 0.34
Ada Boost 0.614 1.302 1.570 0.583 1.479 1.632 0.06
Random Forest 0.983 0.232 0.334 0.989 0.185 0.263 − 0.07
Physical model 0.966 0.337 0.464