Mean Absolute Error (MAE) | |
MAE = 0 | model is perfect |
MAE = min | model is optimal |
0 < MAE | model is less perfect |
Relative Root Mean Square Error (RRMSE) | |
RRMSE = 0 | model is perfect |
RRMSE = min | model is optimal |
Model Efficiency (EF) | |
EF = 1 | model is perfect |
EF = max | model is optima |
EF < 1 | model is less perfect |
EF = −¥ | model has no prediction capability |
Coefficient of Residual Mass (CRM) | |
CRM = 1 | model has no prediction capability |
CRM < 1 | model has some at least prediction capability |
CRM close to 0 | model is optimal |
Coefficient of Determination (CD) | |
CD = 0 | model has no prediction capability |
0 < CD | model has some at least prediction capability |
CD = max | model is optimal |
Goodness of Fit (R2) | |
R2 = 1 | model is perfect |
R2 = max | model is optimal |
R2 = 0 | model has no prediction capability |