Function name

Equation

Reference

Averages

Correlation Coefficient (CC)

[43]

Coefficient of Efficiency (CE1)

[53]

Coefficient of Efficiency (CE2)

[54] )

Root Mean Square Error (RMSE)

[55]

Mean Absolute Error (MAE)

[55]

Standard Error of Prediction (SEP%)

[55]

Model Predictive Error (MPE%)

[55]