Association Mining Model Predictions
May 17, 2007
Hi,
I've been playing around with the association mining model in SQL server 2005 and built a market-basket analysis of my data that I'm pretty happy with. The next task for me is figuring out how to run DMX queries against the data that I've just mined, so we may possibly use it in a web based application. This wouldn't necessarily be a difficult problem (and still may not be), but every example I've seen for the Mining Model Prediction Designer uses relational databases and I built my mining model off OLAP. Therefore, my predictable attribute is nested and when relating the mining model structure to the relational database that the cube was built off always gives me an error:
"Errors in the high-level relational engine. The 'CompanyName' column could not be found in the top-level clause of the SHAPE statement."
What I would like to do, and I'm not really even sure how I should structure any of my queries, is feed the model a product and have it return a listing of all the products it predicts. Currently, I've only been able to get the designer mode to process a singleton query, and even that didn't return any useful data. I know that this probably can be done pretty easily so any advice you may be able to offer would be greatly appreciated!!
So you may better understand my question, my association mining structure hierarchy looks as this..
[Model] ProductRecommend
[Case][Key]CustomerList
[Case][Attribute]CompanyName
[NestedTable]Product
[Nested][Key]PRODUCTCLASSID
[Nested][Attribute]PRODUCT
With that in mind, I'm trying to perform a query simliar to this:
SELECT
PredictProbability([ProductRecommend].[Product].[PRODUCTCLASSID]), <---- Throws Error for PredictProbability syntax no matter what I try to get to [PRODUCTCLASSID]
(SELECT [PRODUCT] FROM [ProductRecommend].[Product])
From
[ProductRecommend]
NATURAL PREDICTION JOIN
(SELECT 'test' AS [COMPANYNAME],
(SELECT '1234' AS [PRODUCTCLASSID],
'ProductA' AS [PRODUCT]) AS [Product]) AS t
Thanks again for any help!
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Nov 15, 2006
I get the following error when I try to load the mining model in the mining model viewer
Query (1, 6) The '[System].[Microsoft].[AnalysisServices].[System].[DataMining].[NeuralNet].[GetAttributeValues]' function does not exist.
I get a similar error when I try to load the Load Mining Accuracy Chart
Failed to execute the query due to the following error:
Query (1, 6) The '[System].[Microsoft].[AnalysisServices].[System].[DataMining].[AllOther].[GenerateLiftTableUsingDatasource]' function does not exist.
I have OWC 11 installed. What am I missing here?
Thanks
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Sep 7, 2006
Hi all,
I am using SSAS 2005. The mining model works fine. But it crashes when I run the 'Mining Model Predictions' against large data sets.
I ran it against 5,000,000 records and it went fine.
But exactly same model failed for 5,100,000 records and beyound.
The message is 'Query Execution Failed' and then Visual Studio crashes.
Pl. let me know if anybody has the same experience or knows the solution.
Thanks,
Vikas
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Apr 11, 2007
Hi,
I am trying to model data in analysis services with the Advance Create Mining Model function in the excel addin. I am having trouble creating an association model that works like the Associate button above the Advanced button.
The format of my data is like this
OrderID Product
100 Bike
100 Helmet
100 Shoes
200 Helmet
200 basketball
200 Bat
300 Shoes
300 Socks
The associate button works perfectly since it asks me which column is the transaction id (orderid) and which column I am trying to predict (product). The advanced create mining model asks me to determine what the columns are...
OrderID=key Product=Input+Predict?
When I run the advance create mining model associate, I get a browser that gives me no rules and the support for only one item itemset (each product but no combination of products).
Does anyone know what I have to do to get it to work like the associate button?
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Nov 26, 2006
Hello everybody,
I am interested in mining association rules field
I have found some posted statements but I didn't undertand them. I need your help badly.
Just tell from where should I start?
Thanks alot
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Oct 18, 2006
Dear friends,
I encounter a serious problem.
I would like to develop an application that can create Data Mining structures and a mining model in SQL Server 2005 with VB.NET. I tried the code from book Data Mining with SQL server 2005 in chapter 14 but did not work. Any good idea?
Please help me.
Best regards,
Manolis
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Oct 20, 2006
Thank you very much for your help.
The errors that I can see in the code that you gave in your answer are the following and they are more or less the same as I had previously
I tried the code but initially I have encounter the following problems.
1. In any line that have the declaration As Server, As Database like in
Public Function CreateDatabase(ByVal srv As Server, ByVal databaseName As String) As Database gives me the problem that type Database is not declared the same type Server is not declared and it does not give me any option.
2. In addition to that for As DataSource, As RelationalDataSource, As RelationalDataSourceView, As ScalarMiningStructureColumn, As DataSourceViewBinding, gives me the problem that type is not declared.
3. Finally in mc = New MiningModelColumn("Yearly income", Utils.GetSyntacticallyValidID("Yearly income", Type.GetType(MiningModelColumn))) is not accesible in this context because it is 'Private'.
I have some more problems but I thing that by solving the above that I referred I will solve the rest.
Thank you any way.
Best regards,
Manolis
PhD student
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Jul 18, 2006
I perform data mining on all products and a specific product category.
Do I need to create 2 data source views, one for all products and the other one for the specific product category?
Afterward, I run the Data Mining Wizard 2 times to create 2 mining structures.
I also need to add the same mining model (e.g. Bayes, Cluster) to each of these mining structures.
Is there any simple way to do it?
Thanks.
Joe.
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Aug 19, 2006
Hi
I am working on an academic medical project. I have created PATIENT table
PATIENT_ID
NAME |
CITY
DISEASE table
DISEASE_ID
NAME |
and Relationship table[FOREIGN KEYS]PATIENT_DISEASE
PATIENT_ID
DISEASE_ID
I am using Microsoft association algorithm [SQL Server 2005 BI Studio] to find association between PATIENT CITY --> Associated DISEASE. I will be entering dummy data into these tables as this is academic project. I like to know can i be able to find the associated Disease/s with the PATIENT City with this algorithm ? such a way as soon as the user enters PATIENT City, assocaited Disease will be selected from the diseases table? on web interface [asp.net].
i like to know after building this association model, can i use it on my web page to prompt the user associated disease with patient city? or building this model only gives association rules, i need to write a procedure or t-sql statements to implement the association rules?
I am using SQLSERVERDATAMINING.COM tutorials to build the model.
Your information and help is highly appreciated.
regards
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Jul 6, 2007
I'm looking for suggestions on the right design approach in relation to a problem that resembles Basket analysis. The data to be analyzed is a dimension Attribute_DIM and contains an ID, Attribute and Attribute_Value. Some examples of the data are :
ID Attribute Attribute_Value
1 Color Black
1 Movie Men in Black
1 Book Of Human Bondage
2 Color White
2 Movie Men in Black
2 Book Grapes of Wrath
We need to be able to analyze multiple selections of the dimension. For example,
Men In Black
Grapes Of Wrath Of Human Bondage
Men In Black Black 1 1
White 1 0
I have had some success using the Association Algorithm Mining Model. I think It is an overkill since I only need descriptive and no predictive analysis.
I'm looking for some ideas on the right approach to this problem. Ideally, we need to present the data in a cube and have the possibility to perform member analysis of the dimension.
I have looked at several articles (including http://msdn2.microsoft.com/en-us/library/aa902637(sql.80).aspx and http://www.aspnetpro.net/newsletterarticle/2004/10/asp200410ri_l/asp200410ri_l.asp). I'm not convinced those are the solutions and would appreciate any insight into this problem.
Thank you,
Anna.
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Dec 31, 2006
I have a market basket model using associations. It generated several dozen itemsets. However when I attempt to run a singleton prediction like this:
select (Predict(Orderproduct3q,INCLUDE_STATISTICS,10)) as [Recommendation]
From
[Case All]
NATURAL PREDICTION JOIN
(SELECT (SELECT '16407' AS [Pname])) AS t1
the resulting predictions don't take the itemsets into account. Instead, the predictions consist of the ranked products in the training set, ordered by frequency. This appears to happen regardless of the precise query specified within the "natural prediction join".
What's going on here and how do I generate a singleton prediction which makes use of the itemsets?
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Nov 20, 2006
I have run into a .. somewhat of a "duh" question. I'm running association rule to run a basket analysis, and I'm trying to get probability of each prediction. I know this is wrong, but how do I go about running PredictProbability on each ProductPurchase prediction?
When I run the below DMX query, I get this error message...
Error (Data mining): the dot expression is not allowed in the context at line 5, column 25. Use sub-SELECT instead.
Thanks in advance...
-Young K
SELECT
t.[AgeGroupName]
, t.[ChildrenStatusName]
, (Predict([Basket Analysis AR].[Training Product], 3)) as [ProductPurchases]
, (PredictProbability([Basket Analysis AR].[Training Product].[ProductName])) as [ProductPurchases]
From
[Basket Analysis AR]
PREDICTION JOIN
OPENQUERY([DM Reports DM],
'SELECT
[AgeGroupName]
, [ChildrenStatusName]
FROM
[dbo].[DM.BasketAnalysis.Contact]
WHERE isTrainingData = 0
') AS t
ON
[Basket Analysis AR].[Age Group Name] = t.[AgeGroupName]
AND [Basket Analysis AR].[Children Status Name] = t.[ChildrenStatusName]
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Aug 9, 2007
What would be the right design approach for the following problem?
I have a single table called SelectionFactors, which has the following columns and sample data:
ProjectID
Factor
FactorValue
1000
Countries
USA
1000
Countries
Canada
1000
Countries
France
1000
Languages
English
1000
Languages
French
1000
Company Type
Consulting
1000
Company Type
Software
2000
Countries
India
2000
Countries
China
2000
Countries
USA
2000
Languages
English
2000
Languages
Chinese (Simplified)
2000
Languages
Chinese (Traditional)
2000
Languages
Spanish
2000
Company Type
Retail
2000
Company Type
Dairy Products
The problem is to allow a descriptive analysis of the data to find patterns in the users selections. For instance,
if Languages->English is selected, what are the counts of projects for other Factor->Factor Value combinations?
Countries->USA = 2, Countries->Canada=1, Company Type->Consulting=1 and so on.
Since all the data is in this single table, are both the case and nested tables the same? What are the keys and inputs? I only need a descriptive analysis (no prediction) and ALL possible combinations MUST be part of the results; how should the model be designed?
Thank you,
Anna.
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Jul 11, 2006
What is the best practice in setting a minimum support threshold for market basket analysis? Is there a formula? Does it depend on ROI you predict?
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Sep 7, 2006
managed plug-in framework that's available for download here: http://www.microsoft.com/downloads/details.aspx?familyid=DF0BA5AA-B4BD-4705-AA0A-B477BA72A9CB&displaylang=en#DMAPI.
This package includes the source code for a sample plug-in algorithm written in C#.
in this source code all .cs files are modified for clustering algorithm
if my plugin algorithm is of association or classification type then what modifications are requried in source code???
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Sep 14, 2007
Hi,
I am not getting Mining Accuracy Chart and Min ing Model Prediction
Plz tel me how to do.And how to use the filter input data used to generate the lift chart and
select predictable mining model columns to show in the lift chart
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Sep 29, 2015
I followed the tutorial posted at [URL] ...
Everything was ok until the last step where I had to process the mining structure which resulted in a warning
"Informational (Data mining): Decision Trees found no splits for model, Tbl Decision Tree Example."
What does this error mean? How do I resolve it? Also, I only see the first level in the Mining Model Viewer, I don't see the levels 2 and 3.
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Oct 27, 2007
Hi all,
I have MS Time Seeries model using a database of over a thousand products each of which has hundreds of cases. It amazingly takes only a few minutes to finish processing the model, but when I click Mining Model Viewer to view the models, it takes many hours to show up. Once the window is open, I can choose model for different products almost instantly. Is this normal?
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Aug 17, 2006
Hi,
I've tried those two operations in the Management Studio.
Though we can create a mining structure and mining model in Management Studion,
but we cannot process the analysis-service database.
(1) I create only a mining structure through CREATE MINING STRUCTURE.
No error reported. But if I process the analysis-service database in Management Studio I always get error
'Error : The '<mining_structure__name>' structure does not contain bindings to data
(or contain bindings that are not valid) and cannot be processed.
I then tried to create it by creating and running an XMLA script. It was successful.
However, it's much harder to learn XMLA.
If any of you created an analysis-service database in Mgt Studio, and create a mining
structure in the same place using DMX script, can you process the database?
(2) Is there any use of CREATE MINING STRUCTURE operation without binding
to any table? Examples I saw so far did not show relating it to do. In my experience
processing the analysis-service database with that mining structure is doomed to fail.
(3) Is there any way we can create mining structure through CREATE MINING
STRUCTURE operation in Management Studio and use RELATED TO clause
to bind it to any Relationship to an attribute column (mandatory only if it applies), indicated by
the RELATED TO clause
(4) If this is the fact, is there any use of CREATE MINING STRUCTURE operation?
If we use BI Dev Studio, it's much easier to use the wizard.
(5) I found I cannot create a mining model inside a mining structure through operation
CREATE MINING MODEL. If you call that operation, you end up having a mining
model and a mining structure with the same name. I found that in order to create a
mining model inside a mining structure you have to call operation ALTER MINING
STRUCTURE ADD MINING MODEL. Is it true this is the only way?
Thank you,
Bernaridho
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May 17, 2007
Hi,
I'm working on a project to create a mining model.I have one "flattened" table with a productID (key) and related attributes. Example columns are weight, color, price, units sold last year, product category, product rating (top seller, etc) and similar columns, about 40 in total. There are about 15,000 products and same number of rows in the table.
The objective is to pass a ProductID (that also exists in the table) and get back the top N products that most resemble the source product based on all the attributes.
Any advice on which models I should test and how to set up the models would be much appreciated. Also if there is a similar example/sample out there, please let me know. I downloaded the MovieClick sample, but that doesn't work in my case as I only have the equivalent of the Customers table.
Thanks in Advance.
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Jun 26, 2007
Mining Model Prediction... what for?
Which Data Mining algorithm use Mining Model Prediction?
Every algorithm has to use Mining Model Prediction for a final goal of a Data Mining Project?
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Dec 6, 2006
hi,
I newly Installed my SQL 2005.When I try to train my Model its giving me "Key not valid for use in specified state." Can anyone help me how to figure it out?
Thanks,
Karthik
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Sep 18, 2006
i want create a model to predict what product i should Ads for customer at time.
example: in summer, i should show the , drinks (coca, pepsi) , ice food, bikini, sandals, glasses. in winter, i should show shoes, coats, hot food....
i have some table:
order(orderid, time,cusid...)
product(productid,..)
orderdetails(orderid, productid..)
customers(cuisid,....)
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Mar 4, 2007
i have a problem, because i have 3 tables.
One name "CallPair" contain: id- identity number, from - phone number, to - phone number.
Second name "Talk" contain: id - identity number, callPairId - id from "CallPair" table, date
Third name "Transaction" contain: id - identity number is a number of transaction, idTalk - id from Talk table, callNr - number of talk in transaction
I want mining model to sequence clustering, but i don't know how build case and nested table
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May 24, 2007
I have one main mining structure and several mining models that are using the MS Decision Trees algorithm. I have a Reporting Services report that displays the model using a table. I want to set it up so that in the DMX query, I can use a parameter to specify which model to use. That way I just have one report that can reference multiple models. For example I would like to do something like this:
SELECT FLATTENED * FROM [@model].CONTENT
This doesn't work because I get the error message:
Preparation of DMX query failed. Error (Data mining): Either the user, user, does not have permission to access the referenced mining model, @model, or the object does not exist. (Microsoft SQL Server 2005 Analysis Services)
We are running SSAS 2005 SP2. Is there a way to accomplish this?
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Aug 7, 2006
Hi,
In the attribute discrimination viewer provided as Web
Controls is it possible to format the visualization.
Sort the attributes by Win
factors first and then Loss factors, so they look like this:
Favors Win Favors
Loss
--------------
-----------
------
---
--------------
---------
-----
2. Change the colors
of the win bar and the lose bar
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Mar 22, 2007
i try to process datamining with DMX
first i create new mining:
CREATE MINING model ForexData ( timeseri DATE KEY, Xhnow TEXT DISCRETE, Muccl TEXT DISCRETE, Change TEXT DISCRETE, XH5be TEXT DISCRETE, XH3be TEXT DISCRETE, XH1be TEXT DISCRETE , XH1ne TEXT DISCRETE PREDICT_only, XH3ne TEXT DISCRETE PREDICT_only, XH5ne TEXT DISCRETE PREDICT_only)Using Microsoft_Association_Rules (Minimum_Probability = 0.4, Minimum_Support = 0.01)
after that i use insert into statement:
INSERT INTO mining model ForexData(Change,Muccl,Timeseri ,XH1be,XH1ne,XH3be,XH3ne,XH5be,XH5ne)OPENQUERY([Forex DB],'Select Change,Muccl,Timeseri ,XH1be,XH1ne,XH3be,XH3ne,XH5be,XH5ne FROM dbo.dataprice')
there is the fisrt time i deploy ForexData so, it return an error:
Errors in the OLAP storage engine: An error occurred while the 'timeseri' attribute of the 'ForexData_Structure ~MC-timeseri' dimension from the 'Analysis Services Project1' database was being processed.
i dont know about it, i have read some docs and comments on web but can solve this problem, can you help me?
as soon as posible, please
i have create a data source and data source view by BI and it return database is 'Analysis Services Project1'. and data source name: 'Forex DB' ;data source VIEW name: 'Forex DB' ;
nick yahoo: remember_somebody; contact to me if you can, i really need these infomation
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Dec 7, 2007
Hi all,
Here is my problem, I developed a forecasting mining model(forecasting.dmm) in SQL Server using Analysis Services Tool. I want to Access the mining model viewer chart(prediction chart) by using localhost in InternetExplorer.
I want to know How to access the charts using Report Server of Sql Server 2005(not the data part, the prediction chart)
Can you please help me.
Thank you,
mahesh manthena
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Mar 28, 2007
I have tried to process a data mining model that I have produce programmatically. I use the following code for processing
Private Sub BtProcess_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtProcess.Click
' Now some different styles of processing
'Process mining structure first - don't process the models though
' ms.Process(ProcessType.ProcessStructure)
ms.Process(ProcessType.ProcessStructure)
DeclareBox.Text = "Process Data Mining Structure"
' Process the mining model only (because the structure has been processed above
' We could have said ProcessDefault without processing the structure first, though
mm.Process(ProcessType.ProcessDefault)
DeclareBox.Text = "Process Data Mining Model"
End Sub
I use the following code for data mining model and is correctly designed
Private Sub CreateMiningModel()
Dim mc As MiningModelColumn
mm = ms.MiningModels.Add(CbDatabase.Text & " miningmodelName") ', Utils.GetSyntacticallyValidID(miningmodelName, Type.GetType(MiningModel)))
mm.Algorithm = "Microsoft_Decision_Trees"
mm.AlgorithmParameters.Add("COMPLEXITY_PENALTY", 0.3)
mc = New MiningModelColumn("SUMCODE", "SUMCODE")
mc.SourceColumnID = ms.Columns("SUMCODE").ID
mc.Usage = "Key"
mm.Columns.Add(mc)
mc = New MiningModelColumn("STAFF_YES", "STAFF_YES")
mc.SourceColumnID = ms.Columns("STAFF_YES").ID
mc.Usage = "Input"
mm.Columns.Add(mc)
mc = New MiningModelColumn("D_G_OZODIS_IPER", "D_G_OZODIS_IPER")
mc.SourceColumnID = ms.Columns("D_G_OZODIS_IPER").ID
mc.Usage = "PredictOnly"
mm.Columns.Add(mc)
and I received the following error message. Any Ideas? What is wrong with this? Thank you in advance
<Batch xmlns="http://schemas.microsoft.com/analysisservices/2003/engine">
<Parallel>
<Process xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<Object>
<DatabaseID>test27</DatabaseID>
<MiningStructureID>test27 MiningStructureName</MiningStructureID>
<MiningModelID>test27 miningmodelName</MiningModelID>
</Object>
<Type>ProcessFull</Type>
<WriteBackTableCreation>UseExisting</WriteBackTableCreation>
</Process>
</Parallel>
</Batch>
Processing Mining Structure 'test27 MiningStructureName' completed successfully.
Start time: 26/3/2007 11:36:18 μμ; End time: 26/3/2007 11:36:18 μμ; Duration: 0:00:00
Processing Dimension 'test27 MiningStructureName ~MC-SUMCODE' failed.
Start time: 26/3/2007 11:36:18 μμ; End time: 26/3/2007 11:36:18 μμ; Duration: 0:00:00
Processing Dimension Attribute '(All)' completed successfully.
Start time: 26/3/2007 11:36:18 μμ; End time: 26/3/2007 11:36:18 μμ; Duration: 0:00:00
Processing Dimension Attribute 'OZOS NUM MANY' failed.
Start time: 26/3/2007 11:36:18 μμ; End time: 26/3/2007 11:36:18 μμ; Duration: 0:00:00
SQL queries 1
SELECT
DISTINCT
[VISIT].[OZOS_NUM_MANY] AS [VISITOZOS_NUM_MANY0_0]
FROM [VISIT] AS [VISIT]
Error Messages 1
OLE DB error: OLE DB or ODBC error: Operation canceled; HY008.
Processing Dimension Attribute 'STAFF_YES' failed. 1 rows have been read.
Start time: 26/3/2007 11:36:18 μμ; End time: 26/3/2007 11:36:18 μμ; Duration: 0:00:00
SQL queries 1
SELECT [VISIT].[STAFF_YES] AS [VISITSTAFF_YES0_0]
FROM [VISIT] AS [VISIT]
Error Messages 1
OLE DB error: OLE DB or ODBC error: Requested conversion is not supported.. Errors in the OLAP storage engine: An error occurred while the 'STAFF_YES' attribute of the 'test27 MiningStructureName ~MC-SUMCODE' dimension from the 'test27' database was being processed.
Processing Dimension Attribute 'D_G_OZODIS_IPER' completed successfully.
Start time: 26/3/2007 11:36:18 μμ; End time: 26/3/2007 11:36:18 μμ; Duration: 0:00:00
Errors and Warnings from Response
OLE DB error: OLE DB or ODBC error: Requested conversion is not supported..
Errors in the OLAP storage engine: An error occurred while the 'STAFF_YES' attribute of the 'test27 MiningStructureName ~MC-SUMCODE' dimension from the 'test27' database was being processed.
Errors in the OLAP storage engine: The process operation ended because the number of errors encountered during processing reached the defined limit of allowable errors for the operation.
OLE DB error: OLE DB or ODBC error: Operation canceled; HY008.
Errors in the OLAP storage engine: An error occurred while the dimension, with the ID of 'test27 MiningStructureName ~MC-SUMCODE', Name of 'test27 MiningStructureName ~MC-SUMCODE' was being processed.
Errors in the OLAP storage engine: An error occurred while the 'OZOS NUM MANY' attribute of the 'test27 MiningStructureName ~MC-SUMCODE' dimension from the 'test27' database was being processed.
Errors in the high-level relational engine. The database operation was cancelled because of an earlier failure.
Errors in the OLAP storage engine: An error occurred while the dimension, with the ID of 'test27 MiningStructureName ~MC-SUMCODE', Name of 'test27 MiningStructureName ~MC-SUMCODE' was being processed.
Errors in the OLAP storage engine: An error occurred while the 'D_G_OZODIS_IPER' attribute of the 'test27 MiningStructureName ~MC-SUMCODE' dimension from the 'test27' database was being processed.
Manolis
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Feb 14, 2006
Hello, I am using SQL Server 2005, and trying to load a mining model : microsoft association rules through a VB.net.
When it is loading, this error msg displayed :
"An error was encountered in the transport layer. The peer prematurely closed the connection."
Any help is really appreciated.
Thanks a lot,
Mita
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Feb 5, 2008
Hello,
I've just created a Sales Forecasting Mining Model. How do i export the predicted time series values into a table?? Is there any tutorial explaining this.
Regards,
RG
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Jun 5, 2007
Hi, all experts here,
Thanks for your kind attention.
I am wondering why the loading of mining model for MTS failed in my case, the model has successfully processed and deployed? But when I clicked on the model viewer, the error message saying: failed to load model. Why is that? Is it because too many records for the table? Or why is that? (in my case, I got a case table and a nested table with over 1000,000 records)) Thank you very much and I am looking forward to hearing from you.
With best regards,
Yours sincerely,
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Jan 22, 2007
I am developing a multiple regression model for a super market site selection with 11 predictors.
As soon as I press the model viewer tab, the following message appears:
The server content appears to be out of date.
Would you like to build and deploy the project first?
I opt no and the error message pops up:
The tree graph cannot be created because of the following error:
'Either the user, ......., does not have access to the ....... database, or the database does not exist.'.
Could anyone mine out the cause please....
saji
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