How To Fix RSDHA812 - Smoothing constant beta is out of range (0 < beta < 1)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDHA - HANA Analysis in BW

• Message number: 812

• Message text: Smoothing constant beta is out of range (0 < beta < 1)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDHA812 - Smoothing constant beta is out of range (0 < beta < 1) ?

  The SAP error message RSDHA812 indicates that the smoothing constant beta used in a forecasting model is out of the acceptable range. Specifically, the value of beta must be greater than 0 and less than 1 (0 < beta < 1). This error typically occurs in the context of time series forecasting within SAP BW (Business Warehouse) or SAP Analytics Cloud.
  Cause:
  The error arises when:
  
  The beta value is set to a number that is less than or equal to 0, or greater than or equal to 1.
  There may be a configuration issue in the forecasting settings where the beta value is defined.
  The beta value might have been manually entered incorrectly or derived from a calculation that resulted in an invalid value.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the Beta Value:
  
  Review the configuration settings for the forecasting model where the beta value is defined.
  Ensure that the beta value is set to a valid number within the range (0 < beta < 1).
  
  
  
  Adjust the Beta Value:
  
  If the beta value is incorrect, update it to a valid value. Common practice is to use values like 0.1, 0.2, etc., depending on the desired level of smoothing.
  
  
  
  Review Forecasting Settings:
  
  If you are using a predefined forecasting model, check the documentation or settings to ensure that the beta value is being set correctly.
  If the beta value is derived from a calculation, verify that the calculation logic is correct and does not produce out-of-range values.
  
  
  
  Test the Changes:
  
  After making adjustments, re-run the forecasting process to ensure that the error is resolved.
  
  
  
  Consult Documentation:
  
  If you are unsure about the appropriate beta value to use, consult SAP documentation or best practices for the specific forecasting method you are using.
  
  
  
  Related Information:
  
  Smoothing Constant: In time series forecasting, the smoothing constant (beta) is used to determine how much weight is given to the most recent observations versus older observations. A beta value closer to 1 gives more weight to recent data, while a value closer to 0 gives more weight to historical data.
  Forecasting Methods: Different forecasting methods may have different requirements for the beta value. For example, exponential smoothing methods often use beta values to adjust the level of smoothing applied to the data.
  SAP Notes and Support: If the issue persists or if you need further assistance, consider checking SAP Notes or reaching out to SAP support for more specific guidance related to your version and configuration.
  
  By following these steps, you should be able to resolve the RSDHA812 error and successfully run your forecasting model.