Table 5: Sensitivity analysis.

# of hidden nodesTraining datasetRMSEMADMAPERMSPE

3from 9 (mm) to 30 (mm)0.405760.290481.108%1.543%
from 9 (mm) to 35 (mm)0.380220.272971.081%1.486%
from 9 (mm) to 40 (mm)0.373400.271211.058%1.440%

4from 9 (mm) to 30 (mm)0.405680.290601.089%1.558%
from 9 (mm) to 35 (mm)0.380700.273261.057%1.487%
from 9 (mm) to 40 (mm)0.373660.270881.089%1.467%

5from 9 (mm) to 30 (mm)0.405920.290361.082%1.520%
from 9 (mm) to 35 (mm)0.380760.273501.056%1.456%
from 9 (mm) to 40 (mm)0.373910.270651.062%1.435%

6from 9 (mm) to 30 (mm)0.406060.290471.104%1.536%
from 9 (mm) to 35 (mm)0.380510.273931.098%1.489%
from 9 (mm) to 40 (mm)0.373570.270681.076%1.461%