Returns a set of previous time dimension members for calculation of cumulative sums.
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Arguments
| Member_Expression | MDX expression that returns a member. |
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Examples
PreviousPeriods returns optimized set of previous periods that can be used to aggregate some measure value for all previous time periods.
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| Code Block |
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Sum(
{ PreviousPeriods([Time].CurrentHierarchyMember),
[Time].CurrentHierarchyMember },
[Measures].[Invoice count]
) |
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