The Galaxy Activity, Torus, and Outflow Survey (GATOS) - VI. Black hole mass estimation using machine learning

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Table 4.

ML models statistics.

ID	RMSE		R²		$\bar{RE}$ $\overline{RE}$
	PVD	Mom	PVD	Mom	PVD	Mom
NGC 4388	0.0341	0.0341	0.986	0.946	0.0020	0.0007
NGC 5506	0.0335	0.0367	0.986	0.947	0.0060	−0.0032
NGC 5643	0.0194	0.0178	0.995	0.996	−0.0019	0.0001
NGC 6300	0.0243	0.0180	0.995	0.996	−0.0002	0.0005
NGC 7314	0.0312	0.0277	0.984	0.990	−0.0029	−0.0041
NGC 7465	0.0246	0.0255	0.993	0.992	0.0010	0.0014
NGC 7582	0.0263	0.0220	0.992	0.994	−0.0002	−0.0031

Notes. RMSE, R² and mean RE of our models on the test sets. The RMSE (> 0), R² (between 0 and 1) and the RE are defined in Section 4.5.

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