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Background documentation Activity WAPE Locate the document in its SAP Library structure

The system uses this activity to determine the total of the baseline forecast values and baseline promotion values for each data source. To do this, the system compares the WAPE key figures of the corresponding data sources in each period. The system transfers the total of the data source that has the lowest WAPE value to the combined key figure.

If the system cannot determine the lowest WAPE value, it adds the key figure values of the data source that you defined in DS_PRIORITY_WAPE. This is, for example, the case for the current period, since there is by definition no WAPE value for this period.

The following parameters are available for the activity WAPE:

Parameter

Meaning

DS_BASELINE

Baseline forecast key figures and their data sources

DS_EVENT

Promotion key figures and their data sources

DS_PRIORITY_WAPE

Data source to be used if the system cannot determine the lowest WAPE value

DS_WAPE

WAPE key figures and their data sources

PERIOD_SELECT

Start and end periods of the time frame for which you execute the activity

SINGLEWAPE

Calculation for the entire time frame (empty field) or period by period (X)

Activity class: /SAPAPO/CL_DC_WAPE.

Example

In the following example, the system considers one baseline forecast key figure, one promotion key figure, and one WAPE key figure from data source 01 and from data source 02. See the following table for the parameter values:

Parameter

Data Source

Start Value

End Value

DS_BASELINE

01

PROG_01

 

 

02

PROG_02

 

DS_EVENT

01

PROM_01

 

 

02

PROM_02

 

DS_PRIORITY_WAPE

01

 

 

DS_WAPE

01

WAPE_01

 

 

02

WAPE_02

 

PERIOD_SELECT

1

4

 

SINGLEWAPE

X

 

 

In the following figure, the time frame defined for the activity begins in calendar week 38 (CW 38) and ends in CW 41.

This graphic is explained in the accompanying text

For CW 38, the system transfers the total from data source 01 to the combined key figure because this data source is defined in DS_PRIORITY_WAPE.

 

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