You can compare outputs of two simulation tests in Pega Visual Business Director
        (VBD). For example, by comparing different strategies, you can determine the strategy that
        best fulfills your business requirements. By simulating different strategies you can also
        assess how modifications in your product offering can affect product sales.
    
      
        - 
          Make sure that you configured at least one simulation test that has the
          Completed
          status and an output of type
          Visual Business Director. This simulation test is the
                    reference data source for the new simulation test. For more information, see
          Creating simulations.
        
 
    - 
        
          In Customer Decision Hub, click
          Simulation
                    Testing.
        
      
- 
        Create a duplicate of an existing simulation test that has a Visual Business
                    Director output by performing the following actions:
        
          - 
            
              In the
              Action
              column, for the simulation that
                            you want to duplicate, click
              .
            
          
- 
            
              In the
              Strategy
              section, click
              Configure
              and select a different
                            strategy.
            
            The output of this strategy is later compared to the output of the
                            reference strategy in Visual Business Director. 
- 
            
              In the
              Assign output destinations
              section,
                            change the existing output assignment to a different output of type
              Visual Business Director.
            
          
- 
            
              Select
              Submit and run
              to process the new
                            simulation test.
            
            
              When the processing finishes, the simulation test status changes to
               Completed. For more information, see
               Duplicating strategies.
             
 
- 
        
          In the
          Assigned reports
          section of the simulation test
                    that you just completed, click the name of the Visual Business Director output
                    to open it.
        
      
- 
        
          Expand the
          Reference data source
          drop-down list on the
                    right and select the Visual Business Director output of the original simulation
                    test to compare the new simulation test against the reference simulation
                    test.
        
      
- 
        
          In the
          Data mode
          section, select the
          Delta
          check box.
        
        The delta view provides the most visually informative overview of the effect
                    of the new simulation test as compared with the reference simulation test. For
                    example, you can view how the introduction of a new product bundle affects your
                    existing product offerings (for example, in terms of sales, the number of times
                    a specific product is being offered to a customer, and so on).