About Validation
A model must be validated several times during its lifecycle.
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After the model is built, perform Model Validation to ensure the model structure conforms to modeling rules.
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After data is added, generate Driver Data Reports for selected drivers to ensure that all data required for calculations is present.
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After calculating the model, generate a Stage Balancing Report to balance all in and out entries for the model stage.
The tabs available on the Structure Validation screen are read-only, and highlight any drivers that have not been used, or assignments that are missing an associated inbound or outbound assignment. You can also view a list of intrastage and reciprocal assignments for any stage within the model. Errors encountered during the model structural validation cycle must be corrected before you can continue to build or calculate the model.
See these sections to perform the appropriate validation on the model: