Returns the number of tuples in a set.
Empty cells are included unless ExcludeEmpty optional flag is used.
Count( Set_Expression [ , ( ExcludeEmpty | IncludeEmpty ) ] ) OR Set_Expression.Count
|MDX expression that returns set.|
|Empty cells are included unless this optional flag is used.|
Following example counts for how many new customers are added at the current date.
NonZero(Count( Filter( NonEmptyCrossJoin( Descendants( [Customer].CurrentMember, [Customer].[Customer] ), [Measures].[Invoice amount]), [Measures].[Invoice amount] > 0 AND [Measures].[Invoice amount] = (Sum(PreviousPeriods([Time].CurrentHierarchyMember), [Measures].[Invoice amount])) +[Measures].[Invoice amount] ) ) )