Table 4.

The results of two-step regression approach

	Classification accuracy (%)	$R^2$	$RMSE\%$	Training time (min)	Estimated prediction time (ms) for each sample point
${\theta }_{\mathit{TI}}$	95.76 ± 4.38	0.8744 ± 0.03	9.31 ± 1.07	2.498 ± 0.179	68.174
${\theta }_{\mathit{TM}}$	96.45 ± 3.91	0.9424 ± 0.02	6.06 ± 0.87	1.665 ± 0.117	52.682