on 08-29-2014 2:29 PM
Hi,
We are not able to generate negative statistical forecast in our system in the background or in the foreground. When the system is supposed to generate negative values, we receive the message "Forecast will be negative". Our business requirement is to allow negative values to be generated.
I am using SCM7 EHP2. All key figures allow negative values to be entered, we did manual test entering data in the data view then saving -xx in cells and it works well. When background jobs are ran, the messages that are supposed to allow negative values are checked.
Any ideas?
Thanks,
Hello,
Be sure your key figure is enabled to containt negative values (/SAPAPO/MSDP_ADMIN). I suppose it is, because you said that you can save negatrive values.
Onve it is done, activate the negative forecast in your activity type. In the activity type used to run the forecasting model in background (/SAPAPO/MC8T), go to the button Select Messages and select: 402 Forecast values will be negative.
Kind Regards,
Mariano
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Hi Maxence,
I have had a similar requirement to see negative forecast.
Anyway, it seems it is a standard DP behaviour. Take a look this note.
1745808 - Negative forecast values set to zero
According to this note, If you do not want to set negatve forecast value to zero, you have to modify the standard program to set the global parameter GV_NEGATIVE_FORECAST in class /SAPAPO/CL_PE_FCS_SERVICE with value 'X'.
Best Regards,
Mariano
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