Journal of Shipping and Trade

Table 2 Performance of the tested models

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

Modell			Score
Modell			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%

Source: Own calculations

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