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MDX MTD For previous year

Lisa Kruger 60 Reputation points
2023-01-26T14:22:43.0133333+00:00

Hi All,

I posted the same question before, but with no luck. I am using SSAS MD model and I want to create a MDX Calculation to MTD and MTD for previous year. I have used the calculations from the following link

[https://social.msdn.microsoft.com/Forums/en-US/128e8f36-b8e6-4491-afc9-4b59ecbb87d3/mdx-filter-single-last-month-ytd-mtd-lytdlmtd-value?forum=sqlanalysisservices

Also I tried other links, I used the date dimension from our datawarehouse and TIME dimension from SSAS, but I am still getting NULL and ERRORS, I know we do not have data for 2023 in our dev, but it needs to give last year's data. Please see my query below. Please need help. The error message I am getting is "Query(6,13) THE CLOSINGPERIOD Function expects a level expression for the 1 argument. A member expression was used"


with
member [Measures].[YTD Internet Sales] as
    SUM(YTD ([Charge Create Date].[Display Date Key].CurrentMember.PrevMember), [Measures].[Set 01 Charge Amount])
member [Measures].[LYTD Internet Sales] as
    SUM(YTD(PARALLELPERIOD([Charge Create Date].[Year Number],1,
            CLOSINGPERIOD([Charge Create Date].[Display Date].CurrentMember.PrevMember)
            )
           ),
        [Measures].[Set 01 Charge Amount])
select
{ [Measures].[Set 01 Charge Amount],
  [Measures].[YTD Internet Sales],
  [Measures].[LYTD Internet Sales]
} on 0,
non empty
[Charge Create Date].[Hierarchy].[Month Number Of Year].Members on 1
from [Transactions_New]
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  1. Amira Bedhiafi 20,176 Reputation points
    2023-08-03T16:47:11.1433333+00:00

    Your error occurs because you are using CLOSINGPERIOD() function with a member expression (CurrentMember.PrevMember). CLOSINGPERIOD() is meant to be used with a level expression.

    However, the issue you seem to be trying to solve is calculating the MTD (Month-to-Date) and LYMTD (Last Year Month-to-Date) in your MDX Query. For MTD and LYMTD calculations you can use MTD() and PARALLELPERIOD() functions. The MTD() function returns a set of members from the beginning of the current member to the current member itself, on the specified level. The PARALLELPERIOD() function returns a member from a prior period in the same relative position as the specified member.

    ```mdx
WITH 
MEMBER [Measures].[MTD Sales] AS
    SUM(MTD([Charge Create Date].[Display Date Key].CurrentMember), [Measures].[Set 01 Charge Amount])
MEMBER [Measures].[LYMTD Sales] AS
    SUM(
        MTD(PARALLELPERIOD([Charge Create Date].[Year Number], 1, [Charge Create Date].[Display Date Key].CurrentMember)), 
        [Measures].[Set 01 Charge Amount]
    )
SELECT 
{
    [Measures].[Set 01 Charge Amount],
    [Measures].[MTD Sales], 
    [Measures].[LYMTD Sales]
} ON 0,
NON EMPTY 
[Charge Create Date].[Hierarchy].[Month Number Of Year].Members ON 1 
FROM [Transactions_New]

    
In this query:

- The `[Measures].[MTD Sales]` measure is the sum of the `[Set 01 Charge Amount]` measure for the month-to-date period of the current member of the `[Charge Create Date].[Display Date Key]` hierarchy.

- The `[Measures].[LYMTD Sales]` measure is the sum of the `[Set 01 Charge Amount]` measure for the month-to-date period of the member that is at the same relative position as the current member of the `[Charge Create Date].[Display Date Key]` hierarchy, but one year earlier.
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