Forecast methods

Global Drivers

Method	Explanation
Global Only	Volume ONLY – Used when you want to only apply the global driver growth and ignore the historical forecast group growth factor.
Last Month	Uses the month immediately prior to the current period as the basis for the forecast.
Same Month	Uses the same month from last year as the basis for the forecast.
3 Month Avg	Uses the average from the prior three months as the basis for the first forecast period only. The second forecast period will use the amount in the first forecast period as its starting point instead of an average of the previous 3 months. Subsequent forecast periods will use the Last Month forecast method.
6 Month Avg	Uses the average from the last six months as the basis for the first forecast period only. The second forecast period will use the amount in the first forecast period as its starting point instead of an average of the previous 6 months. Subsequent forecast periods will use the Last Month forecast method.
9 Month Avg	Uses the average from the last nine months as the basis for the first forecast period only. The second forecast period will use the amount in the first forecast period as its starting point instead of an average of the previous 9 months. Subsequent forecast periods will use the Last Month forecast method.
12 Month Avg	Uses the average from the last twelve months as the basis for the first forecast period only. The second forecast period will use the amount in the first forecast period as its starting point instead of an average of the previous 12 months. Subsequent forecast periods will use the Last Month forecast method.