試圖在MDX

Question

我的數據來計算四分位數是這樣的：

ID         |PersonID |CompanyID |DateID |Throughput |AmountType 
33F467AC-F35B-4F24-A05B-FC35CF005981 |7   |53   |200802 |3   |0 
04EE0FF0-511D-48F5-AA58-7600B3A69695 |18  |4   |201309 |5   |0 
AB058AA5-6228-4E7C-9469-55827A5A34C3 |25  |69   |201108 |266  |0 

大約有百萬行。列名* ID是指其他表，因此它們可以用作維。

我有一個OLAP多維數據集，其列吞吐量爲度量，其餘爲維度。

我想計算吞吐量度量的四分位數1和3。

我遵循這個指南：https://electrovoid.wordpress.com/2011/06/24/ssas-quartile/ 這個職位一起：Calculating Quartiles in Analysis Services

從這些我試圖用這個MDX查詢：

WITH 
SET selection as ([Dates].[Year].&[2014],[Dates].[Month].&[1]) 

SET [NonEmptyIds] AS 
NonEmpty(
     [ThroughputID].[ID].[id] 
    *[ThroughputID].[ID].[Id].ALLMEMBERS 
    , 
    {[Measures].[Throughput]} * [selection] 
) 
SET [ThroughputData] AS 
ORDER 
    ( 
     [NonEmptyIds], 
     [Measures].[Throughput], 
     BASC 
    ) 
MEMBER [Measures].[RowCount] AS COUNT (ThroughputData) 
MEMBER [Measures].[i25] AS (.25 * ([RowCount] - 1)) + 1 
MEMBER [Measures].[i25Lo] AS FIX([i25]) - 1 
MEMBER [Measures].[i25Rem] AS ([i25] - FIX([i25])) 
MEMBER [Measures].[n25Lo] AS (ThroughputData.Item([i25Lo]), [Throughput]) 
MEMBER [Measures].[n25Hi] AS (ThroughputData.Item([i25Lo] + 1), [Throughput]) 
MEMBER [Measures].[Quartile1] AS [n25Lo] + ([i25Rem] * ([n25Hi] - [Throughput])) 

SELECT 
selection ON 0, 
[Measures].[Quartile1] 
ON 1 
FROM (SELECT [Dates].[Y-H-Q-M].MEMBERS ON 0 FROM [Throughput]) 

，但我得到：「查詢（6，7） ID層次結構在Crossjoin函數中多次使用。'

我是OLAP和MDX的新手。任何想法什麼是錯的，我應該如何計算四分位數是正確的？

我讀的地方，我需要的ID尺寸能夠計算四分位數時，得到一組的所有值，而不是累計值...

Answer 1

的罪魁禍首是以下一段代碼：

SET [NonEmptyIds] AS 
NonEmpty(
     [ThroughputID].[ID].[id] 
    *[ThroughputID].[ID].[Id].ALLMEMBERS 
    , 
    {[Measures].[Throughput]} * [selection] 
) 

在交叉連接中不能多次使用相同的層次結構。這裏您使用了[ThroughputID].[ID]兩次。相反，嘗試以下：

SET [NonEmptyIds] AS 
NonEmpty(
     [ThroughputID].[ID].[Id].ALLMEMBERS 
    , 
    {[Measures].[Throughput]} * [selection] 
)