Table 3: Comparison of NN models in different computation stages ( ).

NN ModelNN2NN3
DirectionVN-SE-WVN-SE-W

Training0.9050.9050.9010.9030.9110.893
Validation0.8980.9310.9090.8730.8940.867
Testing0.9380.9470.9420.9160.9210.928

Average0.9200.901