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These data grouping factors and their predefined groups could be represented in tabular form as shown in the following table where each instance of the DataGroup class is represented on a separate line, with attribute values for the related instance of the DataGroupingFactor class represented on every row. If there are no predefined groups in the grouping factor (i.e., it is data-driven), a single row is shown with values only shown included for the DataGroupingFactor attributes.
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