Therefore, the answer to this question is option (C) ex ante forecasts
To face the challenge of improving operational performance while increasing production efficiency, performance forecasting is a crucial service to help decision-making in the idea, design, and operational phases of an asset.
Here,
As to evaluate forecasting performance of a model or compare relative performance of two models,
can be examined on the basis of ex ante forecasts
The term "ex-ante forecast" refers to a forecast that only takes into account the data (i.e., the value of economic variables) that is available at the time of the actual forecast and not the value of some variables that will be available later on.
Therefore, the answer to this question is option (C) ex ante forecasts
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