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Table 5

Statistical indicators of XGBoost, SVM, and MLP algorithms for scenario 1 to predict CO2 emissions.

Features Algorithms Statistical indicators Results
ENERGY/VK/POP/Y/GDP XGBoost R 2 0.9731
MAE 0.0366
MAPE 0.0866
MSE 0.0026
RMSE 0.0514
rRMSE 7.0159
MBE 0.0042
a20 0.8937
SVM R 2 0.9485
MAE 0.0657
MAPE 0.2179
MSE 0.0050
RMSE 0.0711
rRMSE 15.0994
MBE 0.0408
a20 0.6809
MLP R 2 0.8969
MAE 0.0865
MAPE 0.2457
MSE 0.0101
RMSE 0.1007
rRMSE 18.6294
MBE 0.0651
a20 0.5107

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