Table 7.

Network performance on unseen data years and combined data years evaluated on the metrics RMSE and Cohen’s kappa (κ).

Train data	Test data	FHB severity						RMSEall	κ
		≤2	3	4	5	6	≥7
		RMSE	RMSE	RMSE	RMSE	RMSE	RMSE
${\mathcal{D}}_{20}$	${\mathcal{D}}_{21}$	1.25	1.50	1.09	1.05	1.26	2.00	1.44	0.38
${\mathcal{D}}_{20}$	${\mathcal{D}}_{22}$	1.03	0.99	1.36	1.18	1.96	2.19	1.75	0.41
${\mathcal{D}}_{21}$	${\mathcal{D}}_{20}$	0.40	0.90	1.31	1.32	1.02	0.94	0.90	0.68
${\mathcal{D}}_{21}$	${\mathcal{D}}_{22}$	1.57	1.37	1.31	1.02	1.08	1.65	1.46	0.38
${\mathcal{D}}_{20+21}$	${\mathcal{D}}_{20}$	0.58	0.79	1.25	0.97	0.60	0.54	0.76	0.78
${\mathcal{D}}_{20+21}$	${\mathcal{D}}_{21}$	0.95	1.19	1.16	0.89	0.79	0.90	0.96	0.60
${\mathcal{D}}_{20+21}$	${\mathcal{D}}_{22}$	1.61	1.59	1.66	1.08	0.89	0.97	1.25	0.53