This page enables you to review the overall impact of the history correction process.
Before you start
Use the context selectors at the top-right to select a product and customer combination. Additionally, you can manually enter the required values using the search function.
In the top section, the cards display the impact of history correction in terms of unit volumes and unit percentages.
| Parameters | Values |
| Net System Correction (U) | The total number of units corrected in the historic data according to the parameters set for 132 – History Correction. |
| % System Correction | The net system correction units as a percentage of the demand history before any manual correction. |
| Net Total Correction (U) | The net total number of units corrected in historic data, with this being the combined system and manual correction volumes. |
| % Total Correction | The total system correction units as a percentage of the demand history. This is the combined system and manual correction volumes. |
C–Var values both before and after the history correction are displayed in the Mean Variability, Trend Variability, and Residual Variability charts.
- C-Var (Mean): Standard Deviation divided by the Mean of pure history value.
- C-Var (Trend): Standard Error divided by the Mean of the Trendline.
- C-Var (Residual): The difference between the Standard Deviation and Predicted values.
The Total Impact for all Time chart displays the impact of history correction in units.
The Year by Year Impact chart displays the impact of history corrections across the financial years.
| Parameters | Values |
| Chained History (U) | Displays the sum of Selected History (U) and Inherited History (U). |
| System Corrected History (U) | Displays the applied history correction value. |
| Final Corrected History (U) | Displays the value after considering the system and manual history. |
