How To Fix BRAIN_DEV094 - Simple linear regression with reference char. &1 cannot be calculated

SAP Error Message - Details

• Message type: E = Error

• Message class: BRAIN_DEV - BRAIN messages (for use by development)

• Message number: 094

• Message text: Simple linear regression with reference char. &1 cannot be calculated

What causes this issue?

Simple linear regression with exception aggregation reference
characteristic &V1& cannot be calculated because a fiscal year variant
has not been specified uniquely (as either fixed or dynamic).

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BRAIN_DEV094 - Simple linear regression with reference char. &1 cannot be calculated ?

  The SAP error message BRAIN_DEV094 indicates that a simple linear regression cannot be calculated for a given reference characteristic. This error typically arises in the context of SAP BW (Business Warehouse) or SAP Analytics Cloud when attempting to perform predictive analytics or statistical calculations.
  Causes:
  
  
  Insufficient Data: The most common cause is that there is not enough data available for the reference characteristic specified. Linear regression requires a certain amount of data points to establish a relationship.
  
  
  Data Quality Issues: If the data contains null values, outliers, or is not formatted correctly, it can prevent the calculation from being performed.
  
  
  Incompatible Data Types: The reference characteristic may not be of a compatible data type for regression analysis (e.g., categorical data instead of numerical).
  
  
  Configuration Issues: There may be issues with the configuration of the predictive model or the data source that is being used.
  
  
  Missing Characteristics: The reference characteristic may not be defined or may not exist in the data model.
  
  
  Solutions:
  
  
  Check Data Availability: Ensure that there is sufficient data for the reference characteristic. You may need to aggregate or filter the data to ensure that there are enough data points.
  
  
  Data Cleansing: Review the data for any null values, outliers, or inconsistencies. Clean the data to ensure it is suitable for regression analysis.
  
  
  Verify Data Types: Ensure that the reference characteristic is of a numerical type. If it is categorical, consider transforming it into a numerical format if applicable.
  
  
  Review Configuration: Check the configuration of the predictive model and ensure that all necessary settings are correctly defined.
  
  
  Check Characteristic Definitions: Verify that the reference characteristic is correctly defined in the data model and that it exists in the dataset being analyzed.
  
  
  Consult Documentation: Refer to SAP documentation or support resources for specific guidelines related to the predictive analytics functionality you are using.
  
  
  Related Information:
  
  SAP BW/4HANA: If you are using SAP BW/4HANA, ensure that your data models and queries are optimized for predictive analytics.
  SAP Analytics Cloud: If the error occurs in SAP Analytics Cloud, check the data connections and ensure that the data is being pulled correctly.
  Predictive Analytics Library: Familiarize yourself with the SAP Predictive Analytics Library, which provides tools and functions for performing regression analysis and other statistical methods.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.