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MDX calculated member question. pls help


MDX calculated member question. pls help

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divyaduttadddy
divyaduttadddy
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I have 3 dimension tables - team, gamedate and gameinfo. A fact table that has teamid,gamedateid. A bridge table that has gamedateid,gameinfoid. I created 2 measure groups one on fact table and one on bridge table and set up many to many dimension usage in the cube. I am trying to derive the following using calculated members and having trouble as I am new to mdx.

1)Count number of other games that happened between game1 and the following game1.

I am using following query - getting the first and last date for game1 using head and tail functions and getting other gamecount but getting error:The : function expects a member expression for the 1 argument. A tuple set expression was used.

select
[Measures].[gamecount]
from [game]
where
(head(filter([date].[YearQMD].[Date],[gameinfo].[gameinfo].&[game1])):
tail(filter([date].[YearQMD].[Date],[gameinfo].[gameinfo].&[game1])))
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