| Metric | Description | Equation | 
| CORR | CORRelation coefficient | 
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| MAE | Mean Absolute Error | 
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| RMSE | Root Mean Squared Error | 
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| RAE | Relative Absolute Error | 
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| RRSE | Root Relative Squared Error | 
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| Instances | Total Number of Instances | 
 | 
| Attributes | Total Number of Input Variables | 
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