Table 2.

Averages of the normalized root mean squared errors values

Model	All	Categories
		Thermal	Thermod. & physical	Electronic	Optical & dielectric	Mech.	Solubility & permeability
GP-ST	0.93	0.92	0.86	0.88	0.98	1.00	0.93
NN-ST	0.89	0.95	0.76	0.91	0.91	0.95	0.94
NN-MT1	0.89	0.98	0.83	0.97	0.83	0.94	0.92
NN-MT2-all	0.79	0.97	0.82	0.96	0.69	0.89	0.70
NN-MT2-sub	0.65	0.94	0.87	0.79	0.47	0.82	0.46

The root mean squared error averages were normalized for each property so that the maximal value is 1.