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Once a grouping factor has been defined in the analysisGroupings or dataGroupings attribute of the reporting event, it can be included used in the specification of any analysis by recording including its identifier value in the groupingId attribute of 1 of the instances of the OrderedGroupingFactor class in the orderedGroupings attribute of the analysis. In general, grouping factors are defined with reference to a single grouping variable. However, multiple separate grouping factors may be referenced in the specification of an analysis, so it is possible to define analyses of subjects and data records that are grouped by multiple factors.
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For example, to define an analysis of the occurrence of adverse events by treatment, system organ class and preferred term, 3 separate grouping factors would be defined (1 for treatment, 1 for system organ class, and 1 for preferred term). All 3 grouping factors would then be used in the definition of the analysis by including each of their identifier values in the groupingId attribute of 1 of the 3 instances of the OrderedGroupingFactor class in the orderedGroupings attribute of the analysis definition. |
Refer to the Analysis section for more information about the specification of analyses.
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