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Forecast Model convert annual data to week and month


I am trying to create the report from raw data so it is a bit difficult to visualize the correct tables.
I have attached the updated sample version.

Can you please be able to guide me through the next steps to create the proper connection and get the forecast per item at the annual level to be split into weekly and monthly numbers?
Also, I tried to create a link between the Week in the Financial Year column in the Date table and the Line Number column in LedgerPeriodAllocation table but it is still many to many relationships.
NupurDemand Forecast Sample.pbix (1.6 MB)

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Hi @Nupur -

  1. Please explain the data and requirements in bit more detail to help further. In Forecast table, I can see only one Date Column with only 3 dates.
  • How you want to be split into Weekly and Monthly numbers.
  • Is table LedgerPeriodAllocation need to be involved. If yes, then how.
  1. Relationship b/w week and Line Number will be Many to Many only as same week number will be present for different Financial Years. To make relation 1-Many, you may need to merge financial year with Week Number in both Date table and LedgerPeriodAllocation.

Ankit J

Hi @ankit,

The Demand Forecast table has the forecast at an annual level. It has the forecast at an item level and each item code has a Period Key associated with it. We just need to consider one financial year (2021) here for the report.
The LedgerPeriodAllocationCategoryStaging table has the Period Key and the allocation percentage for each key on a 7-day interval as per the time interval column.
I want it to be split based on a monthly level.
We need to create a link between the demand forecast and the ledgerperiod allocation so that based on the period key it splits the annual numbers to weekly/monthly forecast.
Please let me know if there is any further confusion and I can clear it.
I just need a suggestion on how best tp go ahead with the modelling so we get the correct outcome.


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Hi @EnterpriseDNA,

Ok. Can you please suggest the tutorials and resources that can help me guide me through this issue.
It will be much appreciated.


Hello @Nupur. We have a thread with some recommendations from other Power BI users. Hope this helps.