Research Article

A Comparative Study of CO2 Emission Forecasting in the Gulf Countries Using Autoregressive Integrated Moving Average, Artificial Neural Network, and Holt-Winters Exponential Smoothing Models

Table 1

Predicted value of CO2 emissions (metric tons per capita) using the ARIMA (1,1,1) model and accuracy measures.

YearKSAUAEKWTBHRQATOMAN

201519.813222.03225.685923.840445.408115.336
201620.17823.07325.650324.193846.675615.6805
201720.536123.17625.586524.545547.716215.9687
201820.888423.7325.528924.897248.574916.2729
201921.235524.06725.469925.248949.287916.5726
202021.578324.50925.411325.600549.884416.8736
202121.917224.925.352625.952250.387317.1742
202222.252825.31625.293826.303950.815417.475
202322.585525.71925.235126.655551.183617.7757
202422.915626.12925.176427.007251.503718.0764
202523.243626.53625.117727.358951.785418.3771
MSE2.728546191.127339.474813637.50587707199.1104491.581776118
RMSE1.65183113.824886.2828985062.73968557914.11065021.257686812