Use mathematical forecast with seasonal influence when calculating forecasts for items with variances according to different seasons, i.e. different types of clothing.
The seasonal influence is based on a seasonal curve for the current item group or product group, or a calculated seasonal index based on the alpha or gamma factor entered.
It is possible to enter a manual value or an adjustment on each period. Enter a period in 'Automatic Forecast. Open' (FCS001) and do your adjustments, it is possible to enter a manual forecast at 'Manual Forecast/MDS. Open' (FCS350) as well. The manual entered value will override the calculated value.
In order to use mathematical forecast with seasonal influence, these conditions must be fulfilled: