Recalculate Historical Forecast

Explanation

Used to get a new historical forecast. This function is normaly performed in the beginning of an implementation after all forecast parts have gotten the right forecast model, parameters, and season profile. This is done to get more accurate forecast error measures once you are finished with initial forecast parameter settings, season profile creation etc. This can also be run for single base flow items in the Demand Forecast Client. Note running this function will erase any stored historical forecast values to be erased. It sets the Historical Forecast vector equal to the Explanation Forecast Vector.

Prerequisites

This activity requires that data must be loaded into the Demand Plan Server.

System Effects

New error measures based on the new forecast parameters, season profile setup.