RES Key Account Dashboard – Forecasting Accuracy
Summary description
The forecasting accuracy page shows the Forecasting accuracy % (“FA”): this is the rate of the forecasts which are transformed into orders. In other words, it compares the actual demand versus the forecast and shows if the forecast was correct.
Detailed description
Forecasting Accuracy Definition
The definition of the Forecasting accuracy is:
Formula
FA=(1-(∑(i=1)^N?|?FORECAST?_i-?DEMAND?_i | )/(∑(i=1)^N?(?FORECAST?_i ) ))
The definition of i/N depends on the level of detail.
The result of the FA depends on at what level the delta ( ) calculation is done.
If you calculate the delta at a high level, then it means that you do not mind if the forecast was bad at a detailed level.
In this dashboard it was decided to provide the FA calculation:
- At 2 levels :
By Ship to KA and Product: N is the number of KA/Product couples.
By Ship to KA, Product and Ship to: N is the number of KA/Product/Ship to trios. - Using 2 different forecasts :
Pre-SOIP M-1: the Pre-SOIP forecast 1 month in advance from APO.
Pre-SOIP M-3: the Pre-SOIP forecast 3 months in advance from APO.
+Example:
The forecasts are done at a very detailed level, by ship to and material code:
The result of the FA for Johnson Matthey will be different depending on at which level the calculation is done.
In “FA by Ship to KA & Product”, the delta calculation is done for each KA / Product combination. The FA is then calculated based on that:
In this case the FA for the key account is 61%.
In “FA by Ship to KA & Product & Ship to”, the delta calculation is done for each KA / Product / Ship to combination. The FA is then calculated based on that:
With this calculation, the FA is 42%.
Displays
Graphic
In this page you have 2 sets of graphics which show the data at 2 different levels of calculation:
Graph 1 “FA by Ship to KA & Product” & Graph 2 “FA by Ship to KA, Ship to & Product”.
You can change from one graphic to the other by clicking on the tab name:
The graphic can display the data in percentages (%), or in Tons (TO). You can toggle this by clicking on “In %” or “In TO” on top of the graph:
! Attachment Library^Documentation Detaillee - FA - In progress_html_18f6c372.png|height="179",width="311"!
Graphic shows:
- X is the month/quarter/year (can be changed at the top left corner of the dashboard :
See below for the time dimension definition.
- If selected in % :
One line shows the FA at M-1 in %.
One line shows the FA at M-3 in %.
- If selected in TO :
-
One line shows the forecasted demand at M-1.
One line shows the forecasted demand at M-3.
One line shows the actual demand.
Detail Table.
In the same way as the graphic, there are 2 sets of tables that show calculations are 2 different levels: “FA by Ship to KA & Product” and “FA by Ship to KA, Ship to & Product”.
You can change from one table to the other by clicking on the tab name.
In both cases the table shows the same key figures (different level of calculations):
- By Ship to KA and detail by Product (Click to expand)
- Qty: the Actual demand quantity.
- Fcst Qty M1 : the forecasted demand qty at M-1
- Fcst Qty M3 : the forecasted demand qty at M-3
- ? M1: The delta, in absolute value, between the Forecasted demand at M-1 and the actual demand.
- ? M3: The delta, in absolute value, between the Forecasted demand at M-3 and the actual demand.
- % FA M1 : The percentage of Forecasting accuracy using forecast at M-1
- % FA M3 : The percentage of Forecasting accuracy using forecast at M-3
Details
Time dimension
The time dimension (month, quarter, and year) is based on:
- The forecast month for the forecast data (from APO)
- The * rder Last Requested Goods Issue data by the customer* for the actual demand data.
Other Dimensions
Because the calculation of the Forecasting Accuracy depends on the level of detail selected, only a very limited number of dimensions work for this KPI:
Product |
Commercial product |
Ship to KA |
Key Account Customer |
Filters
Only Rare Earth GBU materials are shown*. The GBU is defined by the profit center of each material/plant following the standard structure :
Material+Plant -> Profit Center -> VS -> CGU -> BU --> GBU
Only products with actual demand (Purchase orders) or with forecasts in APO are included.*
Intercompany sales are excluded.*
Target
Target is defined as a fixed percentage. It can be shown on the graphic and is updated via an excel file by the dashboard owner (see main documentation page).
Getting the detail
The detail of this KPI is available via the APO query “Z24 Basic DP: FA Evolution (M-1, M-2, M-3)”
Keep in mind when comparing the results that the delta between the forecast and actual demand has to be calculated at a specific level of aggregation.
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