Adding The Same Column To A Model More Than One Time
Jan 11, 2007
I know that I can add a column to a mining structure and/or model more than once using XMLA. However, I am having a problem doing the same using DMX. I now that DMX does not support data binding and that it relies on the INSERT INTO... construct to essentially map the structure columns to the incoming comluns from the data source. I tried to use "AS" like I would in SQL but it doesn't seem to like it.
Can anyone confirm that this can only be done using XMLA and not DMX? If I am mistaken, it would be greatly appreciated if you could provide an example on how to do this using DMX.
For background on why I would want to add the same column to a model more than once please read this post.
Thanks.
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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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Jul 20, 2005
I have two columns in a table:StartDate DateTime and StartTime DateTime.The StartDate column holds a value such as 07/16/2004The StartTime column holds a value such as 3:00:00 PMI want to be able to add them in a stored procedure.When I use StartDate + StartTime I get a date two days earlier than expected.For example, instead of 7/16/2004 3:00:00 PM StartDate + StartTime returns7/14/2004 3:00:00 PM.Can anyone point out wht I'm doing wrong with this one?Thanks,lq
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Feb 19, 2008
Hi all,
I have a very simple time series model which processing works fine without any problem. However when I run the following query
SELECT
[TimeSeries].[PriceChange],
[TimeSeries].[Symbol],
PredictTimeSeries(PriceChange, -3, 2)
From
[TimeSeries]
WHERE
[TimeSeries].[Symbol] = 'x'
I get the following error:
TITLE: Microsoft SQL Server 2005 Analysis Services
------------------------------
Error (Data mining): A time series prediction was requested with a start time further in the past than the internal models of the mining model, TimeSeries, specified in the HISTORIC_MODEL_GAP and HISTORIC_MODEL_COUNT parameters can process.
The following is the excerpt of the minding model script related to the two parameters:
<AlgorithmParameters>
<AlgorithmParameter>
<Name>MISSING_VALUE_SUBSTITUTION</Name>
<Value xsi:type="xsdtring">Previous</Value>
</AlgorithmParameter>
<AlgorithmParameter>
<Name>HISTORIC_MODEL_GAP</Name>
<Value xsi:type="xsd:int">1</Value>
</AlgorithmParameter>
<AlgorithmParameter>
<Name>HISTORIC_MODEL_COUNT</Name>
<Value xsi:type="xsd:int">10</Value>
</AlgorithmParameter>
</AlgorithmParameters>
These HISTORIC_MODEL_GAP (1) and HISTORIC_MODEL_COUNT (10) should accommodate PredictTimeSeries(PriceChange, -3, 2). Could anyone shed some light on this?
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Aug 8, 2007
I am trying to add a custom dll(IncrementTask avalilable in SQL Server DTS Samples)
as an executable(Task) to an SSIS package.
The following console application consumes the Custom dll:
using System;
using Microsoft.SqlServer.Dts.Runtime;
using Microsoft.SqlServer.Dts.Tasks.FileSystemTask;
using Microsoft.SqlServer.Dts.Samples;
using Microsoft.Samples.SqlServer.Dts;
namespace Microsoft.SqlServer.Dts.Samples
{
class Program
{
static void Main(string[] args)
{
Package p = new Package();
// Add a File System task to the package.
//This Line of code works fine.
//TaskHost execPkghost = (TaskHost)p.Executables.Add("STOCKQLTask");
//This line throws the following error: Object reference not set to an instance of an object.
TaskHost execPkghost = (TaskHost)p.Executables.Add("Microsoft.Samples.SqlServer.Dts.IncrementTaskUI,IncrementTaskCS,
Version=1.0.0.0,Culture=Neutral,PublicKeyToken=b23be0feabed1355");
TaskHost thFileSystemTask = execPkghost as TaskHost;
// Iterate through the package Executables collection.
Executables pExecs = p.Executables;
foreach (Executable pExec in pExecs)
{
TaskHost taskHost = (TaskHost)pExec;
Console.WriteLine("Type {0}", taskHost.InnerObject.ToString());
}
Console.Read();
}
}
}
I am getting a runtime error that "object reference has not been set to an instance of the object".
Any help on this is higly appreciated.
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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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May 29, 2007
i'm building a time series model in visual studio, forecasting sales. but it shows
The graph cannot be created because of the following error:
'All actual columns are ending in NULL: data unacceptable for viewer'. (Microsoft Visual Studio)
can anyone help solve this? the data is by month (for 3 years) and i want to forecast 3 months in the future.
thanks!
lxm
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Jun 18, 2007
Hi, all experts here,
Thanks for your kind attention.
I want to use time series algorithm to mine data from my case table and nested table. Case table is Date table, while nested table is the fact table. E.g, I want to predict the monthly sales amount for different region (I have region table related to the fact table), how can I achieve this?
Thanks a lot and I hope it is clear for your help and I am looking forward to hearing from you shortly.
With best regards,
Yours sincerely,
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Jun 4, 2007
Hi, all experts here,
Thank you very much for your kind attention.
I am confused on key column of case table and key time column of nested table by using Time Series algorithm.
In my case, the case table structure is as below:
Territory key text (the ID is actually dimrisk_key, in this case, I use the name column binding to combine the Territory column of case table Dimrisks),
While the nested table structure is as below:
Cal_month key time (in this case, actually the ID is dimdate_key, again, I used name column bining property to bind the Cal_month to the ID)
So my question is, as the key column of case table has been set to be Territory, as a result, does the model training still cover all the cases (rows) based on the ID of the table?
Also, in the nested table, as the key time column has been set to Cal_month rather than Dimdate_key of the nested table, as a result, would the single series based on the cal_month?
Hope it is clear for your advices and help.
And I am looking forward to hearing from you shortly.
With best regards,
Yours sincerely,
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Jun 5, 2007
Hi, all here,
I want to hear from you for your experiences on how can we be convinced by what the model predicts particularly for Time Series algorithm? As we are not able to see the model accuracy chart for that, in this case, how can use the model results? E.g. we wanna know the possible sales amount of next month for a particular store in order to buy in the goods, in this case, how can we make the most of the prediction by the model? To shop ower, well, if the result is too far away from the usual sales amount, then it is unbelievable, thus, in this case, what else can we try? Keep training the models until its results sounds reasonable? Or what else can we try?Thanks in advance for your advices and help and I am looking forward to hearing from you shortly.
With best regards,
Yours sincerely,
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Jul 15, 2006
Hi,
I have built a Time Series model to forecast Sales Value. I have used data form Jan 2005 to Sep2006 to train the model.
When
I write a DMX query to forecast the sales value for next 5 months, it is throwing me the output in the following format.
$TIME Sales Value
200610 2874
200611 2875
200612 2874
200613 2874
200614 2874
whereas the output i expected was.
$TIME Sales Value
200610 2874
200611 2875
200612 2874
200701 2874
200702 2874
What changes should i make in the model to get the output in the above format.?
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Aug 21, 2006
Hi,
I have create few Mannaged SP which acces some external resources like closing and starting some windows process.. the assembly is assigend unsafe security level
all the processes are started from sqlserver.exe service and are allowed to interact with desktop
these SPs are called frequently
Problem... a very few times sql server is crashed..
does mannaged SP load app domain each time they are called?
what possible reason can be?
I am not exactly clear about the reson .. so I decided to post over here ..
Thanks,
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Jul 27, 2006
Hi,
I have built a Sales Forecast model to predict the sales
value.
Along with making historic predictions for previous time
periods I also want to retrieve the actual sales values for those periods.
How can I achieve this in a time series model?
I also would like to know how do mining models store the data.
Do they store the data in the same table/view format
as their respecive data source view or in the Model Content format.
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Nov 8, 2006
As the Microsoft Time Series algorithm implementation is based upon the Autoregressive Tree approach described in:
C. Meek, D. M. Chickering, D. Heckerman. Autoregressive Tree Models for Time-Series Analysis. In Proc. 2nd Intl. SIAM Conf. on Data Mining, 2002 (SDM-02). SIAM, pp. 229 €“ 244. http://www.siam.org/meetings/sdm02/proceedings/sdm02-14.pdf.
The model estimated is refererred to as an instance of "... autoregressive tree models of length p, denoted ART(p). An ART(p) model is an ART model in which each leaf node of the decision tree contains an AR(p) model, and the split variables for the decision tree are chosen from among the previous p variables in the time series..." (see the last paragraph of p. 2 of the paper).
What is the value of "p" used in the Microsoft Time Series implementation -- specifically, how many previous time series variables are used in estimating the model? It doesn't appear that this value can be specified in the algorithm parameters -- is that correct?
Thanks,
- Paul
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Dec 5, 2005
Running 2005 Beta 3 Refresh. When I first deploy, it works fine. Subsequent deployments yield the following error:
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Apr 17, 2015
I have a separate date dimension marked as Date table in Tabular Model and having proper relationship with another table(e.g SalesTable) with column of date type. But still time intelligence functions are not working. I am using the date column from other table (e.g SalesTable) in the formula. What exactly going wrong in our tabular model.
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Jun 5, 2007
Hi, all,
Again I encountered a very strange problem which displayed the predicted attribute values as percentage format? The data type of the attribute is actually double, why is that?
That's really frustrated.
Thanks a lot in advance for your kind advices and I am looking forward to hearing from you shortly.
With best regards,
Yours sincerely,
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Nov 19, 2004
Hi,
i am trying to add milliseconds to a time. For example if i have a time of 01:01:05:000 and i want to add 0.297 milliseconds to it i use the following simplified query
SELECT CONVERT(nvarchar(20), DATEADD(ms, 0.297, '00:01:05:000'), 14) AS Expr1
However instead of getting 01:01:05:0.297 i get 01:01:05:000. Can somebody please tell me what i am doing wrong.
Thanks in advance.
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Nov 19, 2004
Hi,
i am trying to add milliseconds to a time. For example if i have a time of 01:01:05:000 and i want to add 0.297 milliseconds to it i use the following simplified query
Code:
SELECT CONVERT(nvarchar(20), DATEADD(ms, 0.297, '00:01:05:000'), 14) AS Expr1
However instead of getting 01:01:05:0.297 i get 01:01:05:000. Can somebody please tell me what i am doing wrong.
Thanks in advance.
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Feb 27, 2004
Using FoodMart, how can i add time to this:
WITH MEMBER [Measures].[Rank] AS 'Rank ( Product.CurrentMember,Order( {Product.CurrentMember.Parent.Children} ,[Profit], DESC) ) '
SELECT
{[Profit] , [Rank]} ON COLUMNS,
Drink.Children ON ROWS
FROM Sales
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Dec 12, 2005
I am trying to get a total for times, but I am having trouble gettinganything to work. Basically I created a query to pull up severalpeople's name that performed certain details and how long each detailwas. I now want to add up all the hours to a total for each person. Cananyone point me in the right direction?*** Sent via Developersdex http://www.developersdex.com ***
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Mar 15, 2008
I probably posted my question in the wrong forum so please check here:
http://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=3009605&SiteID=17
thanks
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Oct 29, 2014
I have three different columns, hour(s), min(s), sec(s)
I can add it up, but will like to convert it into. hrs, mins and sec.
this is how, i am adding it up into seconds.
SELECT ((TotalTimeSpentHrs*60*60)+(TotalTimeSpentMin*60)+(TotalTimeSpentSec))AS totaltime
FROM EST1
How can I convert the total seconds, so that i can input the result in a new column.
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Jul 20, 2005
I have a shopping cart that will get full from time to time becausecustomers click out of the site before they confirm their purchase,therefore leaving a full cart behind. I'd like to have a timestamp onthis table, so that I can delete anything that I find is more than a dayold.How can I do this?Thanks,Bill*** Sent via Developersdex http://www.developersdex.com ***Don't just participate in USENET...get rewarded for it!
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Jul 20, 2005
Hi all,I'm writing a website with Cold Fusion and when a user submits arequest and it's stored in the MS SQL database, I want the unique ID(Identity field in table) to be given to the user on screen plusemailed to user.Now can I store data to the database (where the ID is created) andreturn this as a variable in the same statement? I've seen this doneon many websites, but I have no idea how to do it in one step.Thanks,Alex.
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Aug 4, 2015
I am trying to add integer value to the datetime to get the configurable "date".But it is not working out. Here is the code for it.
declare @Id int;
exec @Id = up_GetConfigurableDayInterval
print getdate() + @Id
The sp "up_GetConfigurableDayInterval", will return number of days to add the the current date time. But print getdate() + @Id , is not producing the updated result.But when ever i have replaced the variable "@Id" with a value, Say "5", it is producing the expected result.I have also tested the above code by the following:-
create table Temp(value datetime);
insert into Temp values(getdate() + @Id);
select * from Temp
But it is not having the new added datetime.
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Aug 6, 2013
What is the syntax for adding a column where you are adding a year to a date in a date format? For example adding a column displaying a year after the participation date in date format?
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Mar 30, 2004
I simply need the ability using SQL to add columns in an existing table before (or after) columns that already exist.
The MS SQL implementation of ALTER TABLE doesn't seem to provide the before or after placement criteria I require. How is this done in MS SQL using SQL or is there a stored procedure I can use?
Thanks.
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Oct 6, 2014
I have data that looks like the following.
ID Date Time Length Interval_Num
1 10/11/2014 9:00 420 14
Basically, length represents the # of minutes a person is scheduled for. We have 30 minute intervals. Interval_Num = (Length/30). I need the data to show each interval. For the above example it should only be 14 intervals.For the above example the solution should look like....
ID Date Time Length
1 10/11/2014 9:00 30
1 10/11/2014 9:30 30
1 10/11/2014 10:00 30
1 10/11/2014 10:30 30
for 14 intervals up until 16:00
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Oct 30, 2006
Hello all. I was just wondering how I could add the current date and time to the name of the .bak file. I perform a full backup daily and would like to keep a weeks worth of backups, but everytime I run the job, it just overites the previous one.
The command in the wizzard is:
BACKUP DATABASE [snl] TO DISK = N'C:Backups_for_FTPSNL_Full.bak' WITH NOINIT , NOUNLOAD , NAME = N'snl backup', SKIP , STATS = 10, DESCRIPTION = N'SNL Backup', NOFORMAT
Thanks,
Parallon
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Jan 24, 2008
I have an SSIS package that moves data from SQL Server to an legacy Access database. In SQL Server, there is a date/time column that I need to split into a separate date column and time column in the access database. Initially I just created a derrived column for the time and set the expression equal to the source date/time column from SQL Server. Unfortunately, that just makes the date column and time column the same having the full date/time.
What expression can I use during a derrived column transformation to assign just the date to a derrived column and just the time to another derrived column?
Thanks,
Steve
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Feb 26, 2013
I am trying to add the hours between each time block stored in a database.
In this database a user enters the begin time and the end time. For example the course MATH0001 would start at 8am and end at 10am. Therefore the user would enter 0810 in the start field and 1000 in the end field. The course MATH0001 doesn't run the entire semester it may only run from 8th Jan - 15th March and the course is scheduled in a room called GR4. Now because a course can be scheduled modularly, one room could have several courses scheduled in this manner.
The problem: I need to find out how many hours GR4 is used but it contains the following courses
Code:
Schedule for room called GR4
Course StartDate EndDate BeginTime EndTime HoursPerClass
MATH0001 06-FEB-13 19-FEB-13 0810 1700 9
MATH0002 20-FEB-13 04-Mar-13 0810 1700 9
MATH0003 10-JAN-13 05-Feb-13 0810 1700 9
MATH0004 22-APR-13 17-May-13 0810 1700 9
MATH0005 08-MAR-13 21-APR-13 0810 1700 9
MATH0006 07-JAN-13 09-JAN-13 0910 1300 4
MATH0007 20-JAN-13 17-MAY-13 1710 2000 3
MATH0008 08-JAN-13 18-JAN-13 1710 2000 3
A day only has 13 hours. Therefore the total hours spent in GR4 should be 12 hours. This is calculated by adding the hours between 8am and 5pm = 9 hours and 5pm an 8pm = 3 hours. I would not include 9am to 1pm because it is a subset of the 8am to 5pm slot.
Now, how to accomplish this but below is the code that i have thus far:
I forgot to mention that this code was to just test my 'final code' results and it outputs the table shown above. Anyway for testing purposes I have limited the search to the room GR4 and the day Tuesdays.
Code:
select DISTINCT ssrmeet_room_code,
ssrmeet_start_date,
ssrmeet_end_date,
ssrmeet_crn,
ssrmeet_begin_time,
ssrmeet_end_time,
(((CAST(M.SSRMEET_END_TIME AS INT))-(CAST(M.SSRMEET_BEGIN_TIME AS INT)))+10)/100 As HoursPerClass,
[code]....
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May 31, 2007
Hi, all experts here,
Thank you very much for your kind attention.
I am confused on key time column selection. e.g, I want to predict monthly sales amount, then what column in date dimension should I choose to be the key time column? Is it calendar_date (the key of date dimension) column or calendar_month?
Thanks a lot for your kind advices and help and I am looking forward to hearing from you shortly.
With best regards,
Yours sincerely,
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