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Table 2 Performance of the tested models

From: Leading indicators and maritime safety: predicting future risk with a machine learning approach

Modell    Score   
   MSE r2 Expl. Var.
DummyRegressor   I 0.3133   
LinearRegression   II 0.3115 0.0005  
RF Model including PSC data n_estimators = 1000, max_depth = 4 III 0.3016 0.0247 0.0355
  Comp. to I 96%   
Opti. hyperparam.   0.3014 0.0311  
  Comp. to III 100% 126%  
RF Model without PSC data n_estimators = 1000, max_depth = 4 IV 0.3040 0.0202 0.0290
  Comp. to I 97%   
  Comp. to III 101% 82% 82%
Opti. hyperparam.   0.3018 0.0287  
  Comp. to IV 99% 143%  
  1. Source: Own calculations