Table 4: PLCC, SRCC, KRCC, AAE, and RMSE values (after nonlinear regression) of testing and training groups in and NOSPDM1–NOSPDM18.

Metrics PLCC SRCC KRCC AAE RMSE

(testing) 0.9350 0.3500 0.4210
(training) 0.9660 0.2920 0.3670
0.8934 0.8897 0.7066 0.4136 0.5234
0.8943 0.8912 0.7097 0.4120 0.5212
0.9350 0.9312 0.7666 0.3303 0.4133
0.9360 0.9325 0.7699 0.3269 0.4100
0.9318 0.9266 0.7609 0.3358 0.4228
0.9288 0.9231 0.7556 0.3416 0.4316
0.9493 0.9433 0.7926 0.2851 0.3664
0.9665 0.9600 0.8284 0.2330 0.2992
0.9705 0.9652 0.8416 0.2146 0.2807
0.9502 0.9444 0.7951 0.2814 0.3630
0.9673 0.9611 0.8313 0.2289 0.2955
0.9711 0.9660 0.8442 0.2114 0.2782
0.9470 0.9400 0.7878 0.2896 0.3741
0.9638 0.9565 0.8223 0.2402 0.3106
0.9676 0.9613 0.8340 0.2238 0.2942
0.9445 0.9373 0.7837 0.2958 0.3827
0.9610 0.9534 0.8162 0.2476 0.3220
0.9647 0.9581 0.8278 0.2344 0.3067