Research Article
Forecasting CO2 Emissions in China’s Construction Industry Based on the Weighted Adaboost-ENN Model and Scenario Analysis
Table 5
Composition of variables in different features.
| Feature set 1 | Feature set 2 | Feature set 3 | Feature set 4 | Feature set 5 | Feature set 6 |
| Coal | Coal | Coal | Coal | Coal | Coal | Coke | Coke | Coke | Coke | Gasoline | Gasoline | Gasoline | Kerosene | Kerosene | Kerosene | Kerosene | Kerosene | Kerosene | Diesel | Diesel | Diesel | Diesel | Diesel | Diesel | Fuel oil | Fuel oil | Fuel oil | Fuel oil | Fuel oil | Fuel oil | Natural gas | Natural gas | Natural gas | Natural gas | Natural gas | Natural gas | | | | Electricity | | | | | | | | | | | | | | | - | - | - | | |
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Note: indicates energy structure. |