Analysis :: Statistical Function Results In Calculated Members
Jul 8, 2015
I'm working with the statistical functions Stdev and Median with calculated members. The only way I can get the "correct" answer is if I have a dimension at the same granularity as the Fact table (Actually it's a degenerate dimension of the FACT table itself). Otherwise it seems that the measure I'm using with Stdev returns results that are so wildly high, I think it must be acting on the SUM of the measure; because the measure itself is a Summed one. When I try to use the coordinates in the Stdev function, it seems like it is using the wrong set of data points :
stdev( ( [Date].[Date].[Date].members, [Parameter].[Parameter].[Parameter].members ), [Measures].[Value]) returns answers in the thousands when it should be more like 2.5
When used with a query, there would only be a single date member and a specific parameter member. The total number of fact records is between 200 and 500 with values that range between 0 and 150. This is the version that gives me answers that resemble the total sum of the [Measures].[Value].
If I add the dimension that is essentially a row number from the fact table, it gives the right answer (slowly, but that will be a different post ....
stdev( ( [Date].[Date].[Date].members, [Parameter].[Parameter].[Parameter].members, [FACTTable].[FACTTable].[KeyField].members ), [Measures].[Value])
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Jul 6, 2015
I have a date dimension with structure/hierarchy (year - month - wkofmonth - day) & measure count
This works fine when I insert wkofmonth in columns & count in values but when I add another measure it duplicates per week
Product CountWk1(jan) CountWk2(jan) CountWk3(jan) CountWk4(jan) SalesVolume
1 1 2 0 0 1000
Is there something I can do on the structure & do 4 calculated members pending how many weeks in a month, is there a simpler way where the next measure does not calculate by columns field.
If calculated member for each week, how do I do this, any example code?
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Mar 2, 2006
Do anybody know if Analysis Services 2005 allows cashing (storing) calculated members ?
There is a cube in Analysis Services 2000 with a calculated member based on some running sums. The performance of MDXs is too slow because running summs are being recalculated for each member of time dimension on each call.
I think that caching calculated members might help me and hope that this feature exists in Analysis Services 2005 .
Thanks!
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Aug 23, 2015
I’m trying to build a calculated member (see below script) using “Except” function but I get an error result:
#Error The function expects a string or numeric expression for the argument. A tuple set expression was used.
My idea is to take a measure and exclude 2 members from the dimension.
I tried using “Aggregate” but got the error:
#Error Query (3, 1) Aggregate functions cannot be used on calculated members in the Measures dimension.
Please note that my measure is ACD that is already calculated average in olap and I can’t use AVG function instead of Aggregate. What can I do?
With
member [Measures].[AppOrig All Roaming]
as
(
Except(
[Source IP Location].[Country Name].[All].children,{
[Source IP Location].[Country Name].&[Colombia]
[Code] ....
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Aug 28, 2015
I am new one in MDX. Our PeriodsToDate function does not return any value. We have set type property of our Date Dimension as time.Actually CURRENT MEMBER does not return a valid value. So our PeriodsToDate function fail.
With MEMBER [Measures].[YTD Actual]
AS
Aggregate
(
PeriodsToDate
(
[DimDate].[CalendarHierarchyDateLevel].[Calendar Year]
,[DimDate].[CalendarHierarchyDateLevel].CURRENTMEMBER
)
[code]....
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May 3, 2001
I want to perform SPC on a data set.
The type of analysis I want to do is
Mode,Median,Max,Min,Average,standard deviation.
Does Sql server have any in built functions to accomadate this type of analysis.
Is there any information on the net that I could be referred to. I have SQL Server 7.0 Enterprise Edition.
Thanks Pargat
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May 9, 2005
This is correct
store.currentmember.properties("Store_Manager")
I want to obtain information of the column Store_Manager, the table Store, this is dimension, but BUT IT SHOW TO ME A MESSAGE OF ERROR: #ERR
Do you can help me?
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Jun 21, 2006
Hi...
I'm trying to make a calculated member but I want it at the last level only, with the others I want that shows the sum of the previus :confused: .... Somebody can help me????
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Oct 20, 2005
I have a reporting services report that I'm creating from an Analysis Services cube. I created two calculated memebers. When I put either one of the calculated members in the report and try to render the query or generate the report, I get an error: Memory Error: Allocation Failure: Not enough storage is avaliable to process this command. I have 21 GB of hard drive space.
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Mar 8, 2004
I have created a few calculated members under one dimension (meaning the parent dimension is not Measures, but other dimensions). It can be showed in the Analysis Manager, but cannot be displayed in MS Excel PivotTable (MS Office 2k, xp, even 2003). Is there any solution to display the calculated members (as with the dimension) in Excel PivotTable? vba code needed? service pack needed?
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Nov 29, 2005
Hi,
I created a cube with 4 calculated members. Data is ok within cube browser.
When building report in Excel with Pivot Table or with Analysis Services Excel AddIn, I can't have access to these 4 calculated members. I'm using a olap connexion.
What did I do wrong ?
Thanks a lot for ur suggestions.
Vincent
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Sep 27, 2004
Hi
I've read the MSDN documentation about creating calculated members and states that we can only create session scope or query scope members.
I need to create a static calculated member, one that stays there until it's deletion... That is possibel using Analysis Services, but what about with MDX or DSO?
Thanks in advance
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Oct 3, 2006
Hi all,
I have an analysis services 2005 cube with a lot of Calculated Members (for example I have a "Sales Volume in kg" and a "Sales Volume in squaremeters (m)" and a calculated member "Sales Volume in g/m" with (kg * 1000 / m), and so on. This Measures should be shown with a hierarchical Product Dimension in which I can drilldown from a level1 to a level 4.
Sales Volume (g/m)
--------------------------------------------------------------------------------
Level1
Level2
Level3
Level4
Level4
Level2
Level3
Level2
I can select them all with a MDX Query in the Data-part of reporting services. In the layout-part, I have a matrix-control which should show the values in the above form. The value-part of the matrix has the form "sum(field)". I know, it's not correct, I believe I should use "AVG(field)".
When I use non-calculated fields, all works ok. With calculated fields, I get the error
[rsAggregateOfMixedDataTypes] The Value expression for the textbox textbox3 uses an aggregate function on data of varying data types. Aggregate functions other than First, Last, Previous, Count, and CountDistinct can only aggregate data of a single data type.
It's the same with sum and avg (as the error message tells me). But how can I use such fields in reporting services? My users wants a report with the product hierarchy vertical and the salews volume g/m horizontal so that the values are correct on every level the drill in. In Excel, OWC or other analysis clients, it's no problem to do this, but I can't find a way, doing this in reporting services.
Thanks for any help
Hans
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Feb 6, 2008
Hi,
It's a long story i'll try to make short, I am running a MDX query through Integration Services, this query is very very memory intensive, so intensive I get a System.outofmemory error. The workaround for this was getting the data in smaller ranges. this works fine in Management Studio.
select { many measures and calculated members} on columns,
[Cuenta].[Cuenta].&[1]: [Cuenta].[Cuenta].&[10000] on rows
from DB
WHERE [Tiempo].[Mes].&[2007-09-01T00:00:00] : [Tiempo].[Mes].&[2007-11-01T00:00:00]
Now, in Integration services the optimal way of running a MDX query should be through an OLEDB source, but as it's stated in many sites around the web there is an error that hasn't been fixed. So I moved to a Datareder which is much slower, but works... kind of... to get the whole data out of the cube I am getting it in ranges which I should change with parameters, but MDX doesn't support parameters so I have to change the whole query using an expression.
Finally the problem with this is that the query I am running is longer than 4000 characters which is the limit for an expression on integration services. Here is when someone told me to shrink my query by using named sets, and this is what i don't know how to do, is there any way of grouping all the calculated members I have created in one named set or something alike.
thanks!
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May 14, 2008
Hi,
I created some calculated members for a dimension. They are set to be visible and when i connect to the cube itself I can see them with both Excel and ProClarity as clients. I added them to a couple perspectives (by checking their boxes down at the bottom of the Calculations list) and deployed. There were no errors or issues. However from both Excel and ProClarity I do not see the calculated members of the dimension.
Any ideas?
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Jun 4, 2015
Problem setting is a geography dimension with multiple user defined hierarchies in SSAS 2008.
Ex.:
Hierarchy 1 (political territory): level 6 --> level 5 --> level 4 --> level 3 (state) --> level 2 --> level 1
Hierarchy 2 (sales territory): level 4 --> level 3 --> level 2 (sales region) --> level 1
...
Hierarchy 9
The relationship between state and sales region is n:1, i.e. one state belongs to exactly one sales region, and one sales region can consists of one or multiple states. Unfortunatly I can't define this attribute relationsship in the dimension because it would lead to a diamond-shaped relationsship without a user-defined-hierarchy to back it up. So far that isn't much of a problem, user don't drill down from sales region to state. But now I want to define a calculated member that multiplies a measure from the main measure group with another measure from a weighting factor measure group at the state level and above. The granularity attribute of the geography dimension in the dimension usage tab of the weighting factor measuregroup is the state.
So far what I've got is:
CREATE MEMBER Currentcube.Measures.[weighted measure state and above] AS NULL;
SCOPE (Measures.[weighted measure state and above],
Descendants(geography.[political territory].[all member],3,SELF_AND_BEFORE),
Descendants(geography.[salesterritory].[all member],2,SELF_AND_BEFORE),
... Descendants(geography.[hierarchy 9].[all member],1,SELF_AND_BEFORE)); this = sum(existing(geography.[political territory].state.members), measures.[main measure group measure] * measures.[weighting measure group measure]);END SCOPE;
This works from a functional point of view, but is rather slow when querying any other hierarchy than the political territory hierarchy, because SSAS first goes down from the state level to the key attribute of the geography dimension, and then aggregates from there to the sales region.In other words, I want SSAS to resolve the relationsship (which state belongs to which sales region) through the dimension, and not through the fact, and apply the calculation afterwards. Like some kind of currency conversion, but only from a certain level upwards.
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May 28, 2008
Hi
A very basic MDX question. Using the following from AdventureWorks as an example:
Code Snippet
WITH MEMBER [Measures].[Big Cities]
AS
(
[Geography].[City].&[New York]&[NY]
, [Measures].[Internet Order Count]
)
SELECT
[Measures].[Big Cities] ON COLUMNS
, [Customer].[Total Children].Children ON ROWS
FROM [Adventure Works]
How would I re-write the [Measures].[Big Cities] calculated member so it included both [Geography].[City].&[New York]&[NY] and [Geography].[City].&[Los Angeles]&[CA]? Assuming there is no logical connection between these members, and that they are non-contiguous. Also, in my real example, I cannot move [Measures].[Internet Order Count] to the WHERE clause, it must remain within the calculated member.
Thanks,
Julia.
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Jul 10, 2015
Enterprise 2014 SQL Server - SSAS
I have a need to insert 50 - 100 new members each week.
Is there an SSIS procedure that will do this?
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Sep 17, 2015
The Member_Key we can get by the method suggested in the post, but when we get the Member_Key, Id as Measures/members then performance is very slow.
Is there any way i can get the Member_key in a set in rows section.
Like
With SET [UniqueName] AS [Geography].[Country].CURRENTMEMBER.UNIQUENAME
Select Measures.Value on Columns,
UniqueName on Rows
From Cube
I want the value as just like
Value
Employees, UniqueName
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Jul 24, 2015
I've got two measure groups with a dimension (Dimension A) that is related to one measure group but not the other. I want to find the date ranges of the members of an attribute in Dimension A in Measure Group 1 and apply that to Measure Group 2 in a calculation. This way I can find the sum of a measure from Measure Group A that falls within the time periods of the attributes in Measure Group B. Part of my MDX for this new calculated member starts like this, but doesn't work.
WITH MEMBER [Measures].[New Measure] AS
IIF( ISEMPTY ([Measures].[Measure 1]), NULL,
SUM(([Date].[Hour].[Hour], [Dimension A].[Attribute].[Attribute]), [Measures].[Measure 2]))
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Sep 27, 2013
I'm trying to do a currency conversion with an MDX statement in my Cube SSAS 2012.
Here is my script :
SCOPE( LEAVES([Entity]) );
SCOPE( LEAVES([Time]) );
SCOPE( LEAVES([Currency]));
SCOPE( [Account].[Account].[Total ACCOUNT].members)
THIS = ([Measures].[Value],[Currency].[Currency].[Local])*([Measures].[Value],[Account].[Account].[Fx Rate]);
END SCOPE;
END SCOPE;
END SCOPE;
END SCOPE;
The problem is I want to exclude frome the scope Currency my local Currency in order to make the conversion only if a currency (€,$, £) is selected. I tried the following syntax but it always return a "MDX script is not valid" :
SCOPE( LEAVES([Currency], Except (LEAVES([Currency],[Currency].[Currency].[Local]);SCOPE( [Measures].[Value] , Except ([Currency].[Currency].members,[Currency].[Currency].[Local]);SCOPE( [Measures].[Value] , Except (LEAVES([Currency],[Currency].[Currency].[Local]);SCOPE( LEAVES([Currency] - [Currency].[Currency].[Local]);
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Dec 2, 2015
I've got a dimension built from a fact (whatever that's called?) ... it's a date interval field, i.e. 0-5 weeks, 6-10 weeks 11+ weeks. How do I sort these members in the respective order? Looks like this currently:
The problem lies in the fact that I don't have any secondary attributes to order it by, i.e. it's not a physical dimension where I can use a key for the 3 members. I was hoping I wouldn't need to create a separate dimension to get round this.
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Jul 7, 2015
We have a date dimension which spans till 2099 and there are future projection numbers (under measures). I want to limit the data for Future projections only to 5 years from today by default. Is there a way to do this with in the cube. I understand that this can be done using MDX but since we use excel to view the data from the cube it needs to be controlled with in the cube.
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Jun 9, 2015
I am using a "Client" dimension that includes a "Holding - Client" hierarchy. I have to make sure, that only the appropriate roles may access appropriate members from this dimension, but I only have the information which role may access which ClientID - I do not have the information which HoldingID should be accessible. Also, "Client" is used as the key column of the dimension with "ClientID" and "HoldingID" as key columns. The hierarchy is strict, no client may belong to multiple holdings.
I cannot seem to find the right MDX for the allowed member set. My MDX expression would need to look like this:
[Client].[Holding - Client].[Client].&[*]&[123]
In this example I want to give access for client &123, no matter the holding, so &1&123 and &2&123 would be allowed.
Is this doable?
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Aug 17, 2015
Our SSAS integration didn't initially use attribute relationships.Now that our system has been running for a few years and we have bigger databases, we think we need to add them to improve performance. So we're in the process of adding them but we found out that, when attribute relationships are added, the full unique name of our members all go from something like:
[DIM].[HIERARCHY].[LEVEL].&[GRANDPARENT].&[PARENT].&[MEMBER]
to something like:
[DIM].[HIERARCHY].[LEVEL].&[MEMBER]
It looks nice and SSAS will accept the longer names fine but it will return the short ones in response to 'discovery' requests and in the XMLA response of MDX queries. This is causing problems in our low level XMLA-based modules that assume the long names in and out. is there any clean way to use attribute relationships and still have SSAS generate the long member names. We fiddled with the various documented dim/attribute properties but to no avail. It also appears that some switches are obsolete.
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Jun 2, 2015
I have a dimension report with an attribute reporttype which have different member let say A,B,C,D....etc.
I want to set more than one default members for dimension report.
I've read all about how dimensions can have only one default member, but I need to set more than 1.
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Jul 1, 2015
I have a Calculated Member in SSAS that I need to adjust based what the current member is.
The code is below
CASE WHEN [Measures].[End LIS] = 0 AND "HELP" THEN
CASE WHEN [Measures].[Beginning LIS] = 0 OR [Measures].[Beginning LIS] + [Measures].[Beginning LIS] + [Measures].[NETACTIVATIONS] = 0 THEN NULL ELSE
ROUND([Measures].[Disconnects]/(([Measures].[Beginning LIS] + [Measures].[Beginning LIS] + [Measures].[NETACTIVATIONS])/2) * 100 ,2) END
ELSE ROUND(([Measures].[Disconnects] / [AVERAGELIS] * 100) ,2)
END
In English - i need this to translate to - of End LIS is 0 "AND the current member is the current month and current year" THEN carry on
Else ROUND(([Measures].[Disconnects] / [AVERAGELIS] * 100) ,2).
I came up with
CASE WHEN [Measures].[End LIS] = 0
AND [Dim Date].[FSCL_YM].[Month Nm].currentmember.membervalue = Format(now(), "yyyy")+"]&["+Format(now(), "M")
THEN
CASE WHEN [Measures].[Beginning LIS] = 0 OR [Measures].[Beginning LIS] + [Measures].[Beginning LIS] + [Measures].[NETACTIVATIONS] = 0 THEN NULL ELSE
ROUND([Measures].[Disconnects]/(([Measures].[Beginning LIS] + [Measures].[Beginning LIS] + [Measures].[NETACTIVATIONS])/2) * 100 ,2) END
ELSE ROUND(([Measures].[Disconnects] / [AVERAGELIS] * 100) ,2)
END
But to no avail.
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May 8, 2015
I have a dimension called as DIM1 which has list of all measures and has an attribute called as ATTRMDX Formula. The formula will be like
([DIM1].[ATTR Measure Code].&[M1],[Measures].[ATTR MEASURE VALUE])+([DIM1].[ATTR Measure Code].&[M2],[Measures].[ATTR MEASURE VALUE]).
I want to pass this formula to a calculated measure as given below -
MEMBER [Measures].[FormMeasure] as ([Measure].[ATTRMDX Formula].currentmember.MEMBERVALUE)
but I get the string value itself as output, but when I put the formula as a string in the calculated measure I obtain the value.
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Sep 9, 2015
I am trying to count a set as a calculated measure, when this set is called directly in the row , it returns fast, but when i try to count the set as calculated measure(so i can slice with another dimension) the query keeps running forever.
The queries are below
select
{} on 0,
nonempty
(
{([Transaction].[RPC Count].&[1],[Transaction].[Account ID].[Account ID])}
,
{([Account].[PAYMENTSTATUS].&[0],[Account].[Account ID].[Account ID])}
) on 1
[Code] .....
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Sep 17, 2015
I've been working with SSAS for a good few years now but I keep bumping into this problem - my users are trying to build a measure that is based on a calculated attribute and finding it difficult to work out how to write the MDX to do so. Intuitively, they thought a Calculated Member would work, but I don't think a Calculated Member is quite the same thing from my understanding.
So, here's the scenario.
We have a Product Dimension. We have a Measure that is the Number of days the Product took to make, e.g. 5 days. We also have a Product Count measure that counts the number of Products.
The user would like to write a calculated measure that works out the number of products that took <5 days, 5-10 days, 10-15 days etc.It would be easy to write a set of calculated measures for each of these bandings, but the user wants effectively a single dynamic attribute to use in the calculation in order to automatically distribute these values across the columns in their pivot table.
Is this even possible? I was thinking I could build an attribute on the Product Dimension in the ETL to do this quite easily, but the user wants to be able to change the bandings on the fly by changing the MDX for the attribute, rather than go back to the developer every time.
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May 16, 2008
Hi,
I need to calculate the average of an existing measure of my cube.
The measure is PA_Salaire from a column of my fact table.
I would like to calculate an average i could use with all the dimensions of my cube but i think i can only create one linked to a single dimension. Is that true ?
I dont really understand the way i should write my request. Here is what i did:
(Manager is one of my dimensions, it has a parent child relation... is that a problem? does it change the way i should do?)
Avg(Descendants([Manager].CurrentMember, [Manager].[Name]), [Measures].[PA Salaire]
But that doesnt work at all i get the following result: " #VALUE! " for every manager
Thx for your help
Francois
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Sep 2, 2015
How to put these calculated measures under the folder "sales line". i want to see it under the drop down...
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Feb 1, 2006
Hello,
I have a calculated member that composed of dividing two other calculated members. The calculation is incorrect and is ignoring the decimal places in both of the source measures of the equation.
Example:
Calculated Member 1 = 300.01
Calculated Member 2 = 10.25
Calculated Member 3 = (CM1 / CM2 ) = 30 INCORRECT!!!
Answer should be = 29.269
The MDX that I am using is as follows:
Calculated Member 1 (Booked Amount YTD):
Sum(PeriodsToDate([Fiscal].[Date].[Fiscal Year]),[OH Booked Amount])
Calculated Member 2 (Units YTD)
Sum(PeriodsToDate([Fiscal].[Date].[Fiscal Year]),[OH Units])
Calculated Member 3 (Booked Amount / Unit)
Measures.[Booked Amount YTD] / Measures.[Units YTD]
This seems like a fairly common and straight forward type of calculation, taking the YTD amount / YTD units to come up with YTD amount per unit. When I create a calculated member with the hardcoded values of 30.01 / 10.25 I get the correct answer of 29.269. Am I missing something with formatting? Is this a bug in Analysis Services?
Any help would be appreciated.
Thanks in advance.
Brian
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