EDIT AGGREGATION RULE IN ANSWER FOR A MEASURE

Hello Experts,
I have a measure in my fact table which is a "price" and I don't want to set up a default aggregation (sum, avg, max, min...etc) in my Business Model (Administrator). I want the user to be able to set an "Aggregation Rule" in Answers to that measure.
So, I go into Answer, select my measure from my model and then click on Edit formula and change the Aggregation Rule to "Avg" this seems to don't work.
I think I'm missing something, a setting or option.
I'll appreciate if you guys can help me with this...thanks.

Hey mma,
I'm referring to the "Edit Column Formula" option and then I click on "Column Formula". At the bottom of that tag there is a section that says "Aggregation Rule" with a drop down box that shows; Avg, Max, Min...etc. Thats where I make the change to "Avg" and it doesn't work.
Edited by: PabloC2 on Sep 18, 2008 3:57 PM

Similar Messages

Can we expose aggregation rule in answers?

Hi All,
Can we expose aggregation rule in answers?
that is if have a measure 'Sales' whose Aggregation defined in BMM layer is 'Sum'.
is it possible if we bring this measure column in Answers which gives me its aggregation defined in BMM layer.
Regrads,
Som

Somu, i dont think there is automated way for doing this dynamically.
the descriptions defined in the Business Model will come as hover text for that column in presentation area. If you put aggregation detail in that column description, then you can see that if you put mouse over on that particular column in answers.
or create a new column in the report and put the text when ever needed. :-)
- Madan

Aggregation rule ignored for Logical sources

Hi,
We are using materialized views as logical sources for our logical tables. These logical sources contain aggregated data at higher level for dimensions. However, we have a logical source at the most detailed level for the dimensions.
Problem: We OBIEE hits the correct logical source based on dimensions selected in answers, it does not apply the default aggregation rule.
For instance, if a measure has aggregation as AVG, then when the logical sources corresponding to aggregated tables are queried, OBIEE does not apply AVG function. However, it does apply the aggregation rule when it uses the logical source at the most detailed level.
I have specified the aggregation content properly for every dimension.
Any pointers to debug the issue will be helpful.
Thanks,

Click on LTS of Table - Column Mapping - Select the logical column - click on expression - Put your logic here. You will get Aggregation rule is enalbed for the column.
Why ? -- Reason could be nested aggregation is not allowed. Aggregation on the normal column applied during query generation at run time. If you use that Agg.Measure to derive another Agg.measure server could not recognize it during runtime.

Aggregation rules for calculations

Hi
I have a calculation (logical column) Z as X*Y and I want Z to be an average at different levels in hierachy. How do I do it in OBIEE?

Hi Siddharth,
Specifying Aggregation rule for a column in Admin Tool and applying Formula for a column in Answers work differently.
We usually specify Aggregation rule in Admin tool to implement the calculation measures. So, it will be used along with the logical levels.
Where as specifying Formula for a column in Answers works for that particular Request only..
Comes to its Significance...
Take the general example... Sales by Country, Region, District and City
To calculate the total sales Country, Region, District and City wise we specify aggregation rule as SUM for the Amount column..
In order to calculate the logical level wise details we use Aggregations..i.e., Measures..
For last question, is your saying the use of 'Use Existing Logical columns as the Source'..
In this case, I think it is not possible to specify the Aggregation rule in Admin tool.
-Vency

Edit formula Aggregation rule?

What is the aggregation rule meant in formula tab?
What happen if I give aggregation rule in formula tab?
Will the aggregation rule in formula tab overwrite the predefined aggregation rule in UI/Repository?
If I want to change the aggregation rule only to the grand total where to specify?
Can I give two different aggregation rules each one for values and grand total respectively?
If I give aggregation rule “Default” in Formula tab what will happen?
If I give aggregation rule “None” in Formula tab what will happen?

Check the below link, the same can also get from Help link in Answers
All the aggregation functions are top of what you defined in the RPD, Aggregation rules in Answers will not override RPD aggregation rules, since RPD is base for Answers
http://docs.oracle.com/cd/E12096_01/books/AnyUser/formulaeditor.html#wp1096420

Editing Business Rules

Hi All,
I am using Hyperion Planning 11.1.1.1.0 and have a classic planning application.
I created a few business rules using the Essbase Administrative Services Console.
Now I need to let one of the users modify certain values used in the buisness rule. One way is to allow the user to access EAS Console and then edit the rule.
However for a business user its not a very ideal way of editing the rules.
Can somebody please suggest if at all there is some other way by which the user can modify the business rule without getting into much of a coding thing and out of EAS Console?
Thanks in Advance.
Regards.
Alicia

Hi,
If you are using classic planning and in the first release of planning the only way to edit business rules is via EAS.
I wouldn't really expect standard business users to be editing business rules, maybe the occasional user who has knowledge of business rules.
Does the user really need to update code? Are run time prompts not enough. Should it not be a superuser or admin making these changes.
In later versions of V11 there is also calc manager for classic planning though I am not a fan of this yet and feel it has a long way to go.
Cheers
John
http://john-goodwin.blogspot.com/

How to define an aggregation rule for a dimension based on bridge table?

Hello,
I need a solution for aggregating data correctly when using a dimension based on a set of dimensione tables containing a bridge table. Please find below a description of my business case and the OBIEE model which I’ve created thus far.
Business Case
The company involved wants to report on the number of support cases, the different types of actions that were taken and the people involved in those actions. One support case will undergo a number of actions (called ‘handelingen’) until it is closed. For each action at least one person is involved performing a specific role, but there can also be multiple persons involved with 1 action, each performing a different role for that action. This is the N : N part of the model.
The problem that I face is visible in the two pictures below:
http://i84.photobucket.com/albums/k24/The_Dutchman_2006/OBIEE/sample.png
As long as I don’t include anything from the Dimension Meelezer in my report, I get the correct number of handelingen (7). When I include the person (called ‘Meelezer’), the measuere per action is multiplied by the number of persons/roles involved with that action.
When I changed the Aggregation rule in the report column #Handelingen to ‘Server Complex Aggregate’ I do get the correct endtotal:
http://i84.photobucket.com/albums/k24/The_Dutchman_2006/OBIEE/sample2.png
I believe it should be possible to define in the repository a different aggregation rule for individual dimensions, but I’ve not been able to achieve this.
Explained below is what I have created in my Physical and Business Model & Mapping layers:
The Physical Model is built like this:
(This is just a small part of a much larger physical model, but I’ve only included the most relevant tables)
http://i84.photobucket.com/albums/k24/The_Dutchman_2006/OBIEE/PhysicalDiagram-1.png
The Fact table (ALS Feit Zaakverloop) contains FK’s for the action (FK_HANDELING, joined to ALS Dim Handeling), the date the action took place (FK_DATUM_ZAAKVERLOOP, joined to ALS Dim Datum Zaakverloop) and the uniqe group of people involved (FK_MEELEZERS, joined to ALS Groep Meelezers) and a measure column (SUM_HANDELINGEN) populated with the value ‘1’ for each row.
The Bridge table (ALS Brug Meelezer/Reden Meelezen) contains three FK’s: FK_GR_MEELEZERS (joined to ALS Groep Meelezers), FK_MEELEZER (joined to ALS Dim Functionaris) and FK_REDEN_MEELEZEN (joined to ALS Dim Reden Meelezen).
The Business Model
In the business model, the four physical tables for the N:N relation have been combined into one logical dimension table.
http://i84.photobucket.com/albums/k24/The_Dutchman_2006/OBIEE/BusinessModel-1.png
DIM Meelezer contains one LTS in which the four physical tables have been combined:
http://i84.photobucket.com/albums/k24/The_Dutchman_2006/OBIEE/LTS1.png
And all the required locical columns have been created:
http://i84.photobucket.com/albums/k24/The_Dutchman_2006/OBIEE/LTS2.png
DIM Meelezer has also been identified as a bridge table and a Business Key has been defined on a combination of the FK’s in the bridge table and business codes of the two dimension tables.
http://i84.photobucket.com/albums/k24/The_Dutchman_2006/OBIEE/BMDIM.png
Next a hierachy was created for Dim Meelezer:
http://i84.photobucket.com/albums/k24/The_Dutchman_2006/OBIEE/Hier.png
In Feit Zaakverloop, a measurement called ‘# Handelingen’ was created using SUM_HANDELINGEN, with an aggregation rule of SUM.
In the LTS of both the DIM Meelezer and Feit Zaakverloop, the Logical Content Levels have both been set to: LVL Detail – Meelezer.
Please provide suggestions that will NOT require changes to the physical datamodel as they would require too much time to achieve (or at leats would not be ready before my deadline.
Thanks!
Edited by: The_Dutchman on Dec 13, 2011 11:43 AM

Hmm, no replies yet...
Am I in 'uncharted territory' with this issue?

How to set Grand Total of a Measure when its aggregation rule is Max in Logical Layer

Hi
I have a Measure Column (Budget) and in Logical layer the aggregation rule is set as (Max) which looks like Max(Budget). But now it is included in the report and when my client is trying to see its grand total, it is giving the Max Budget figure of the report rather than giving the total sum(grand total).
Kindly share some ideas in achieving the grand total without disturbing the actual aggregation of the measure.

Thank You for your reply.
In my case i don't have a problem with aggregation for Budget Measure(max(Fact_XXKC_SHIP_TO_BUDGET_CAT_F.SALESREP_BUDGET_YTD)). This is the aggregation rule applied on the Salesrep Budget YTD.
Now i created a report with columns
Salesrepresntative(Dimension),, Sales Invoices(Measure1),, SALESREP_BUDGET_YTD(Measure 2).
In the above report the values are perfect, but when we used Grand total option at ROW level in table view, the grand total of Measure1 is cumulative of all the rows, but the Grand total of SALESREP_BUDGET_YTD (measure2) is the max of all the columns.
What i require is the Grand total of SALESREP_BUDGET_YTD (measure 2) should be cumulative of all the columns.
I have shared my SQL query, kindly verify it and share any idea.
select sum(case when T97600.W_XACT_TYPE_CODE = 'Chargeback' then T93664.NET_AMT * T93664.GLOBAL1_EXCHANGE_RATE end ) as c1,
sum(case when T97600.W_XACT_TYPE_CODE = 'Credit Memo' then T93664.NET_AMT * T93664.GLOBAL1_EXCHANGE_RATE end ) as c2,
sum(case when T97600.W_XACT_TYPE_CODE = 'Debit Memo' then T93664.NET_AMT * T93664.GLOBAL1_EXCHANGE_RATE end ) as c3,
sum(case when T97600.W_XACT_TYPE_CODE = 'Standard Invoice' then T93664.NET_AMT * T93664.GLOBAL1_EXCHANGE_RATE when T97600.W_XACT_TYPE_CODE = 'Invoice Cancellation' then T93664.NET_AMT * -1 * T93664.GLOBAL1_EXCHANGE_RATE end ) as c4,
T315597.XXKC_RESOURCE_NAME as c5
from
W_CUSTOMER_LOC_USE_D T315597 /* Dim_W_CUSTOMER_LOC_USE_D_Status */ ,
W_SALES_INVOICE_LINE_F T93664 /* Fact_W_SALES_INVOICE_LINE_F */ ,
W_XACT_TYPE_D T97600 /* Dim_W_XACT_TYPE_D_Sales_Ivclns */
where ( T93664.XACT_TYPE_WID = T97600.ROW_WID and T93664.DELETE_FLG = 'N' and T93664.XX_SHIP_TO_LOC_USE_WID = T315597.ROW_WID )
group by T315597.XXKC_RESOURCE_NAME
) D1 full outer join (select max(T313184.SALESREP_BUDGET_YTD) as c1,
T315597.XXKC_RESOURCE_NAME as c2
from
W_CUSTOMER_LOC_USE_D T315597 /* Dim_W_CUSTOMER_LOC_USE_D_Status */ ,
XXKC_SHIP_TO_BUDGET_CAT_F T313184 /* Fact_XXKC_SHIP_TO_BUDGET_CAT_F */
where ( T313184.SITE_USE_WID = T315597.ROW_WID )
group by T315597.XXKC_RESOURCE_NAME

Substract as an aggregation rule for different level in a DIM ?!

Hi there..
I'm building a BI model based on financial transactions (incomes, expenses, etc..)
and my main problem is how to substract a measure, where the aggregation rule is set to SUM, for different levels in the "Account" dimension?
Example:
I have the "Account" dimension with the following hierarchy:
Account_ID / Account_name / Account_type / Account_total
And, lets say, 2 rows in it:
1.row in the "Account" dimension:
account_ID : 100
account_name : "Marketing expense"
account_type : "Variable expenses"
account_total : "Total profit" (total income - total Expenses)
2. row in the "Account" dimension:
account_ID : 200
account_name : "Financial incomes"
account_type : "Total incomes"
account_total : "Total profit" (total income - total Expenses)
"Total profit"
"Tot. incomes" "Tot. Expenses"
"Finan. incomes" "Market. expenses"
The fact table has just one measure: "Amount" and, of course, some foreign keys:
Account_ID -> "Account" dim
Organization_ID -> "Organization" dim
Date -> "Date" dim
Amount
The measure "Amount" in the fact table is positive both for expenses and incomes.
Now, what I'm trying to do is to sum up that measure on my top level in the "Account" dim.
At that level my report in Answers should substract "Total expenses" from "Total incomes"!
How can I do that?
thanks..
Ivan

Sorry to pop the obvious question, but can't you model that nicely and put it into distinct columns?
If not, you can create derived measures on you fact using "case when" statements. One for the incomes with amount > 0 (or >=0 ...depends on where you want to have the 0's) and one for the expenses with amount < 0.
HTH,
Chris

Different aggregation operator for two measures in single cube

Hi,
I have three measures age_month and age_year,pages for which aggregation operator should be like this
for age_month and age_year
time - max
account - sum
sales org - sum
for pages
time - sum
account - sum
sales org - sum
I am creating MOLAP cube in OWB and deploying to AWM. I can create above structure in OWB but when I deploy it to AWM I see that for all the dimensions and all the measures aggregation operator as sum. Off course I can change the aggregation operator at cube level but it make changes to all underlying measures too.
Also I can see in XML of the cube and see the operator for two measures is as max but UI shows as sum. After load also I am seeing in report it is calculating as sum instead of max along time dimension.
Any help would be highly appreciated.
Thanks
Brijesh

If you have an existing cube (already defined and aggregation setup) then modifying the aggregation behavior like changing order of dimensions/aggregation operators is not very robust (likely to fail due to inability of internal objects to sync up to modified defintion). Its always better to take a backup of cube definition and drop/rebuild a fresh cube with new dim order/agg operators.
How can you have a compressed cube and also set the aggregation property per dimension?
I was under the impression that if it is a compressed cube, then not only is there a restriction that all measures have same aggregation properties (defined at cube level) but also the aggregation behavior defined at cube level should use the same operator (note: any one operator out of sum or max or min) for all dimensions.
Edited by: Shankar S. on Dec 19, 2008 11:54 AM
Perhaps this additional restriction is only required if we intend to use the Cube as a source for relational queries using Cube organized MVs.
Another way to do this is given below:
I'm assuming that when you say that you require Max along Time and Sum along other dimensions, you mean that you want LAST (chronological) along time at leaf level and SUM along other dimension. Also assuming that Time hierarchy has the following levels: DAY, MONTH, QUARTER, YEAR. Big assumption :) as finding out Max along time requires the help of the fact/measure whereas finding out last along time requires us to use the dimension (along with dimension metadata) alone.
Define 1 Cube: Cube1 ... Structure: Compressed Composite, datatype: DECIMAL
Set Aggregation: SUM along all dimensions
Create 3 stored measures ( age_m_sto, age_y_sto and pages)
You may want to set description for age_m_sto/age_y_sto as "******** INTERNAL: DO NOT USE ******** Stored Measure used for age_month/age_year"
Create 2 calculated measures - age_month and age_year defined as follows ...
olap expresssion to be given in AWM:
<age_month>: OLAP_DML_EXPRESSION('cube1_age_m_sto(time if time_levelrel eq ''DAY'' then time else statlast(limit(time to bottomdescendants using time_parentrel time(time time))))', DECIMAL)
<age_year>: OLAP_DML_EXPRESSION('cube1_age_y_sto(time if time_levelrel eq ''DAY'' then time else statlast(limit(time to bottomdescendants using time_parentrel time(time time))))', DECIMAL)
NOTE: The caculated measure performs the LAST along time action using the stored measure. For every higher level time dimension member, it reaches along the dimension to the last leaf level member and reads the stored measure for that lowest level time member.
Map and Maintain Cube.
From the SQL Cube View: Use only the columns corresponding to stored measure: pages and calculated measures: age_month, age_pages (ignore columns corresponding to age_m_sto, age_y_sto)
HTH
Shankar

Difference between aggregation rule and column formula in edit formula

Anybody please help what is the use of aggregation rule and column formula in edit column option.
What is the difference if I apply sum in aggregation rule with apply sum(column name) in column formula.
When do I need use which one.
Thanks in advance

When you build a column in the rpd, you have the option of determining if the column should be aggregated in some way or not. For dimension columns, you wouldn't put aggregation. For say, an accoun ledger balance column, you might put the aggregation SUM or AVERAGE. Whatever aggregation you put on this column will be the "default" aggregation of the column in Answers.
So in Answerrs, if you use the Account Ledger Balance column and you only have Region as the dimension, OBIEE will aggregate or SUM the ledger balances so you have a SUM for the region level. If you had district, than the ledger balance column will aggregate to the district level. This is a convenient way to build reports without having to specify what the aggregation should be.
However, OBIEE gives you the ability to override what the default aggregation is for a particular column. This is the purpose of the drop down in the bottom left of a column when you click the fx button.
Say the default aggregation of ledger balance is SUM in the rpd, but for the report you are building, you want the average, you can apply the AVERAGE function in the fx window and it will overridge the SUM aggregation rule that was in the rpd.
Got it?

Set Measure column "Aggregation Rule" to "sum" or other,return error

when set a Measure column "Aggregation Rule" to "sum" or other,return error,as following:
View Display Error
Odbc driver returned an error (SQLExecDirectW).
Error Details
Error Codes: OPR4ONWY:U9IM8TAC:OI2DL65P
State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error has occurred. [nQSError: 43113] Message returned from OBIS. [nQSError: 46008] Internal error: File server\Query\Optimizer\Request\Src\SQORRqList.cpp, line 285. (HY000)
SQL Issued: SELECT s_0, s_1, s_2, s_3, s_4, s_5, s_6, s_7, s_8, s_9, s_10, s_11, s_12, s_13 FROM ( SELECT 0 s_0, "SPW_PRO"."Product"."FamilyGroupName" s_1, "SPW_PRO"."Product"."Gen4,Product" s_2, "SPW_PRO"."Product"."MajorGroupName" s_3, "SPW_PRO"."Product"."ProductName" s_4, SORTKEY("SPW_PRO"."Product"."Gen4,Product") s_5, "SPW_PRO"."SPWPRODB"."Sales" s_6, "SPW_PRO"."SPWPRODB"."Sales%" s_7, "SPW_PRO"."SPWPRODB"."产品运营天数" s_8, "SPW_PRO"."SPWPRODB"."售卖数量" s_9, REPORT_AGGREGATE("SPW_PRO"."SPWPRODB"."Sales" BY "SPW_PRO"."Product"."FamilyGroupName","SPW_PRO"."Product"."MajorGroupName") s_10, REPORT_AGGREGATE("SPW_PRO"."SPWPRODB"."Sales%" BY "SPW_PRO"."Product"."FamilyGroupName","SPW_PRO"."Product"."MajorGroupName") s_11, REPORT_AGGREGATE("SPW_PRO"."SPWPRODB"."产品运营天数" BY "SPW_PRO"."Product"."FamilyGroupName","SPW_PRO"."Product"."MajorGroupName") s_12, REPORT_MAX("SPW_PRO"."SPWPRODB"."售卖数量" BY "SPW_PRO"."Product"."FamilyGroupName","SPW_PRO"."Product"."MajorGroupName") s_13 FROM "SPW_PRO" WHERE (("Period"."Gen5,Period" IN (SELECT saw_1 FROM (SELECT "Period"."OperatingDaily" saw_0, "Period"."Gen5,Period" saw_1, "Year"."Gen2,Year" saw_2 FROM "SPW_PRO") nqw_1 )) AND ("Year"."Gen2,Year" IN (SELECT saw_2 FROM (SELECT "Period"."OperatingDaily" saw_0, "Period"."Gen5,Period" saw_1, "Year"."Gen2,Year" saw_2 FROM "SPW_PRO") nqw_1 ))) ) djm
please help me . Thanks a lot.

Thanks dnikiforov
still get the
select a.rmdept||a.rmstyl||a.rmcolr||a.rmsize||','||a.rmvatc||','||a.rmshgp||','||rmdesc||','||rmac
ERROR at line 1:
ORA-00904: invalid column name
I think its a problem with trying to select on the unique, anyway I accidentally posted a couple of threads for this and it has now been resolved by
select a.rmdept||a.rmstyl||a.rmcolr||a.rmsize||','||a.rmvatc||','||a.rmshgp||','||
a.rmdesc||',||a.rmacod||','||a.rmcdes||','||a.rmzdes||','||a.rmsupp||','||a.rmsspr||','||a.rmlcos||','||
c.rsbarc||','||a.rmpord||','||a.rmmrch||','||a.rmcomq||','||sum(b.rdcstk)
from stkmas a, stkwar b, stkbar c
where a.rmdept = c.rsdept(+)
and a.rmstyl = c.rsstyl(+)
and a.rmcolr = c.rscolr(+)
and a.rmsize = c.rssize(+)
and a.rmdept = b.rddept(+)
and a.rmstyl = b.rdstyl(+)
and a.rmcolr = b.rdcolr(+)
and a.rmsize = b.rdsize(+)
group by a.rmdept,a.rmstyl,a.rmcolr,a.rmsize,a.rmvatc,a.rmshgp,
a.rmdesc,a.rmacod,a.rmcdes,a.rmzdes,a.rmsupp,a.rmsspr, a.rmlcos,
c.rsbarc,a.rmpord,a.rmmrch,a.rmcomq
as I dont need to use the unique because the sum does it for me
Thanks again for speedy help

Answers and Aggregation rules not working

Hi everyone!
I have this problem: in my repository I set "none" in the aggregation rule for a field... but if I try to make aggregations in the answer (with the dropdown list in "Edit formula") they don't work at all, I always get the same result even if I change from default to sum to average to count...
Is it a bug? Does anyone have any workaround?
P.S.: if I use the function sum(...) in the formula it works... but I'd like to use the aggregation rule's combo box!
Thanks so and.. have an happy new year!
DrPlexi

The aggreagation in answers is for the summary of the results ( that is when you use ∑)

How to Add/Edit validation rule for Column in ADf table(Jdeveloper11g)

I am working on Jdevloper11g with ADF table. There i have one column where user can enter numeric value in range 1-1000 .So i have to add validation as such he/she can't enter value apart from 1-1000 range also not any other charcters.
I know on form, if i select attribute from binding and right click i will find one option "Edit Vlaidation rule..." and from there i can change validation rule for perticular field.
But how i can achive same on Column's filed??
Thanks for all help.
Jaydeep

Hi Barnislav,
I tried the way you mentioned but i am getting below exception.
Could not complete Edit validation Rule... Because it would result in an invalid document
oracle.bali.xml.model.XmlInvalidOnCommitException: SEVERE: Element RangeValidationBean not expected [ node = RangeValidationBean ]
<tree IterBinding="searchConfigurationDataIterator" id="searchConfigurationData" ApplyValidation="true">
<nodeDefinition DefName="com.oraclecnm.util.search.SearchAttributeBean">
<AttrNames>
<Item Value="searchAttributeName" />
<Item Value="searchAttributeId" />
<Item Value="weightage" />
<Item Value="isAttributeSearchable" />
</AttrNames>
</nodeDefinition>
<RangeValidationBean OnAttribute="weightage" ResId="pages.SearchConfigurationPageDef.searchConfigurationData_Rule_1" Inverse="false" Severity="Error" Name="searchConfigurationData_Rule_0" OperandType="LITERAL" MinValue="1" MaxValue="1000" />
</tree>
     at oracle.bali.xml.model.XmlModel._validateSubtree(XmlModel.java:3669)
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     at oracle.bali.xml.model.XmlContext.precommitTransaction(XmlContext.java:1166)
     at oracle.bali.xml.model.XmlContext.__precommitTransaction(XmlContext.java:1653)
     at oracle.bali.xml.model.XmlContext.__commitTransaction(XmlContext.java:1684)
     at oracle.bali.xml.model.XmlModel.__requestCommitTransaction(XmlModel.java:2898)
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     at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
     at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
     at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
     at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)

Different aggregation operators for the measures in a compressed cube

I am using OWB 10gR2 to create a cube and its dimensions (deployed into a 10gR2 database). Since the cube has 11 dimensions I set all dimensions to sparse and the cube to compressed. The cube has 4 measures, two of them have SUM as aggregation operator for the TIME dimensions the other two should have AVERAGE (or FIRST). I have SUM for all other dimensions.
After loading data into the cube for the first time I realized that the aggregation for the TIME dimension was not always (although sometimes) correct. It was really strange because either the aggregated values were correct (for SUM and for AVERAGE) or seemed to be "near" the correct result (like average of 145.279 and 145.281 is 145.282 instead of 145.280 or 122+44+16=180 instead of 182). For all other dimensions the aggregation was OK.
Now I have the following questions:
1. Is it possible to have different aggregations for different measures in the same COMPRESSED cube?
2. Is it possible to have the AVERAGE or FIRST aggregation operator for measures in a COMPRESSED cube?
For a 10gR1 database the answer would be NO, but for a 10gR2 database I do not know. I could not find the answer, neither in the Oracle documentation nor somewhere else.

What I found in Oracle presentation is that in 10GR2 compressed cube enhancements support all aggregation methods except weighted methods (first, last, minimum, maximum and so on). It is from September 2005 so maybe something changed since then.
Regarding your question about the results I think it is caused by the fact that calculation are made on doubles and then there is a compression, so maybe precsion is lost a little bit :(. I really am curious whether it is because of numeric (precision loss) issues.

EDIT AGGREGATION RULE IN ANSWER FOR A MEASURE

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