How Do I Calculate Average Leadtime In Sqlserver...
Sep 2, 2007
Hi,
How do I Calculate Average Leadtime...
I have a Table named "iCalls_Calls" which has 2 Columns (start_Date and Closed_Date).I need to calculate average leadtime based on the columns from this table . I have a query and i need to add this ( calculate average leadtime) to this query.
Code:
SELECT B.USER_DIVISION,B.USER_DEPARTMENT,COUNT(*) FROM iCalls_Calls A INNER JOIN iCalls_Users B on A.REQUESTOR = B.USER_ID
GROUP BY USER_DIVISION,USER_DEPARTMENT
Can anyone send me the correct query to calculate the average time ?
Thanks..
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Nov 29, 2013
I am trying to calculate an average within a query:
coalesce(field1, 0) + coalesce(field2], 0) + coalesce(field3, 0)/Count [AVG]
It seems to be subtracting the value of field3 from the total of 3 fields at some points instead of giving me the average.Some of the results are here:
Count Field1 Field2 Field3 Total Average
===== ====== ====== ====== ===== =======
2NULL6NULL66
11NULL28134129
10NULL33NULL3333
3NULL12NULL1212
[code]....
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May 27, 2015
I have a few columns: Week1, Week2, Week3, Week4, Week5
i.e.
Week1 = 5
Week2 = 0
Week3 = 10
Week4 = 7
Week5 = 0
How do I calculate the average based on the fields that are not zero?
Incorrect:
(5+0+10+7+0)/5 = 4.4
Correct:
(5+0+10+7+0)/3 = 7.3
How to let create a custom column to let the SQL know that I only want to divide by 3 instead of 5?
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Apr 22, 2008
I want to calculate average row size of a record. By based on this i want to add some more columns into an existing table. Here is my table structureCREATE TABLE patient_procedure( proc_id int IDENTITY(1,1) CONSTRAINT proc_id_pri_key PRIMARY KEY, patient_id int NULL, surgeon_name varchar(40) NOT NULL, proc_name varchar(20) , part_name varchar(30), wth_contrast int , wthout_contrast int , wth_wthout_contrast int, xray_part varchar(60), arth_area varchar(30), others varchar(30) , cpt varchar(20) , procedure_date smalldatetime NOT NULL, mraloperrun varchar(20),CONSTRAINT patientid_foreign_key FOREIGN KEY(patient_id) REFERENCES dbo.patient_information (Patient_id)) Now i got a requirement that i have to add two more procedures with different columns.The columns overall size is 195 bytes.I can place those two procedures as seperate tables. I dont want to do that becuase of front end requirements.Here the problem is when the user enters these two procedures information remaining fields will store the null value. I know that when we store the null values into corresponding columns min of 1 byte will be occupied. Please suggest me that shall i include these columns into the above table. If i add these columns is performance will be decreased or not. Waiting for valuable suggestions.
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Jun 11, 2007
ok so i have this table:
Code:
Products_Sold
priceSold - money
itemsSold - int
An example of 4 rows on my table would be like this
$1400 80
$1500 85
$1560 82
$1700 81
to calculate the average of the price sold related to the number of sold items just have to do
Select avg(priceSold*itemsSold)
But sometimes i just want the average price of the first 100 sold items, so how can i make my query to just use the first 100 sold items?
in math it would be like this
average= ( (1400*80) + (1500*20) ) / 100
but if i wanted the first 200 it would be like this
average= ( (1400*80) + (1500*85) + (1560*35)) / 200
and if i wanted the first 300 would be like this
average= ( (1400*80) + (1500*85) + (1560*82) + (1700*53)) / 300
but of course the number i want will always be a variable which is less than the total of the products sold. So, how the heck do i program this query where the number of the items sold is variable and it will take the rows of the database depending on how many items were sold.
I hope i didnt wrote my explanation too confusing and that i can get any help from you guys. thank you a lot for the help and byye
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Aug 6, 2004
Hi this might be pretty simple to you guys out there but i am having issues doing it.
Please help!!!!!!!!!!
Calculate Average of a measure called DIST irrespective of any dimension the page field.
Ie. to say it should calculate the average for any doension i bring on the rwo field.
Looking forward to your help.
you can mail me at hem_k01@yahoo.com
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Apr 30, 2008
I've got a statistics table that I've been writing to for about 2 years now. Every saturday night, a size (in MB) snapshot of each DB file is taken and dumped into this table. I'm then emailed a copy for that week.
Now, I'm trying to figure out what the fastest growers are. Here's the table ddl
CREATE TABLE [dbo].[DBSizeStats] (
[statid] [int] IDENTITY (1, 1) NOT NULL ,
[LogDate] [datetime] NULL ,
[Server] [varchar] (10) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
[DBName] [varchar] (200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
[MDFName] [varchar] (200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
[MDFSize] [decimal](18, 0) NULL ,
[LDFName] [varchar] (200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
[LDFSize] [decimal](18, 0) NULL ,
[TotalSize] [decimal](18, 0) NULL
) ON [PRIMARY]
GO
What I'm trying to figure out is how to query the average monthly and yearly growth percentages per DB on the MDFSize column.
I'm usually pretty good at this sort of thing, but I just can't seem to wrap my head around how to solve this issue. I'm not having a very good math day.
what am I missing here?
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Jan 16, 2014
How to calculate the overall average number of days taken to complete something.
The two fields are enquiry_date (date enquiry is recorded) and complete_date (date enquiry completed/closed).
Each enquiry has a enquiry_number
Sample data typically looks like:
Enquiry number - enquiry_time - complete date
1 - 01/01/2014 - 12/01/2014
2 - 01/01/2014 - 11/01/2014
3 - 01/01/2014 - 10/01/2014
4 - 01/01/2014 - 07/01/2014
5 - 01/01/2014 - 12/01/2014
6 - 01/01/2014 - 04/01/2014
etc.
What is the piece of SQL which looks at the average date difference for each enquiry and then sums it all up to give an overall average number of days it takes?
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Feb 26, 2008
im trying to learn how to calculate table size.
i understand some of it, but im stuck at calculating the varchars
Ex. i have 2 varchar columns
- varchar(50)
- varchar(100)
i'm suppose to find the average length for them?
i'm suppose to use that to add up to my ROW SIZE
and also after i got the average, do i add 2 for variable columns overhead and another 2 for Row pointer in row offset array
please help me asap before 2morrow night.
Thanks!
i have a test
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Sep 11, 2013
I need calculating a rolling 3 month average cost from the two dataset below. Which is the 3 month Average of Dataset1 / Dataset 2.
Dataset 1:
SELECT(factAdmissions.ContractCode + '-' +factAdmissions.BenefitPlanCode) AS [Contract Code],
factAdmissions.AdmitCCYYMM,
ISNULL(sum(AmountPaid),0)As [Amount Paid]
FROM factAdmissions
[Code] ....
Dataset2:
Select
(factMembership.ContractCode+'-'+ factMembership.BenefitPlanCode) As Product,
EffectiveCCYYMM,
ISNULL(count(Distinct MemberId),0) As MemberCount
From factMembership
Where EffectiveCCYYMM >= '200701'
[Code] ....
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Oct 8, 2013
I have one table with columns patientName , Nurse,ArrivalDate, DepartDate . It has all the patient information for all the Nurses.
I need to calculate Number of patients per Nurse and Average number of patients per day per nurse.
We need to calculate Average Number of patients per day per nurse = Total Patients per nurse/No.of unique days they worked
I need my report as like this.
DistinctNurse No.ofPatients AvgNo.ofpatients PerDay
Tina 100 25
Sony 50 16.6
How to get the result as above.
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Oct 30, 2015
Col1 Col2 Col3 Col4
54763.00 21 0 0
--Row1
59574.00 23 0 0
--Row2
64085.00 20 0 0
--Row3
0.0 0.00 0 0 0
--Row4
I'm trying to calculate Average of Col1 of above table based on below scenario:
CASE WHEN all the columns in the above table are “0” (as highlighted) THEN I want AVERAGE of Col1 as (Row1+Row2+Row3)/3
ELSE if at least one of the column of highlighted row has value other than “0”, THEN I want the AVERAGE of Col1 to be (Row1+Row2+Row3+Row4)/4
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Jun 21, 2015
Calculation of an average using DAX' AVERAGE and AVERAGEX.This is the manual calculation in DW, using SQL.In the tabular project (we're i've noticed that these 4 %'s are in itself strange), in a 1st moment i've noticed that i would have to divide by 100 to get the same values as in the DW, so i've used AVERAGEX:
Avg_AMP:=AVERAGEX('Fct Sales';'Fct Sales'[_AMP]/100)
Avg_AMPdollar:=AVERAGEX('Fct Sales';'Fct Sales'[_AMPdollar]/100)
Avg_FMP:=AVERAGEX('Fct Sales';'Fct Sales'[_FMP]/100)
Avg_FMPdollar:=AVERAGEX('Fct Sales';'Fct Sales'[_FMPdollar]/100)
The results were, respectively: 701,68; 2120,60...; -669,441; and finally **-694,74** for Avg_FMPdollar.i can't understand the difference to SQL calculation, since calculations are similar to the other ones. After that i've tried:
test:=SUM([_FMPdollar])/countrows('Fct Sales') AND the value was EQUAL to SQL: -672,17
test2:=AVERAGE('Fct Sales'[_Frontend Margin Percent ACY]), and here, without dividing by 100 in the end, -696,74...
So, AVERAGE and AVERAGEX have a diferent behaviour from the SUM divided by COUNTROWS, and even more strange, test2 doesn't need the division by 100 to be similar to AVERAGEX result.
I even calculated the number of blanks and number of zeros on each column, could it be a difference on the denominator (so, a division by a diferente number of rows), but they are equal on each row.
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Feb 15, 2008
I have a temp_max column and a temp_min column with data for every day for 60 years. I want the average temp for jan of yr1 through yr60, averaged...
I.E. the avg temp for Jan of yr1 is 20 and the avg temp for Jan of yr2 is 30, then the overall average is 25.
The complexity lies within calculating a daily average by month, THEN a yearly average by month, in one statement.
?confused?
Here's the original query.
accept platformId CHAR format a6 prompt 'Enter Platform Id (capital letters in ''): '
SELECT name, country_cd from weather_station where platformId=&&platformId;
SELECT to_char(datetime,'MM') as MO, max(temp_max) as max_T, round(avg((temp_max+temp_min)/2),2) as avg_T, min(temp_min) as min_temTp, count(unique(to_char(datetime, 'yyyy'))) as TOTAL_YEARS
FROM daily
WHERE platformId=&&platformId and platformId = platformId and platformId = platformId and datetime=datetime and datetime=datetime
GROUP BY to_char(datetime,'MM')
ORDER BY to_char(datetime,'MM');
with a result of:
NAME_________________CO
-------------------- --
OFFUTT AFB___________US
MO______MAX_T _____AVG_T__MIN_TEMTP_TOTAL_YEARS
-- ---------- ---------- ---------- -----------
01_________21______-5.31________-30__________60
02_________26______-2.19______-28.3__________61
03_______31.1_______3.61______-26.1__________60
04_______35.6______11.07______-12.2__________60
05_______37.2_______17.2_______-3.3__________60
06_______41.1______22.44__________5__________60
07_______43.3______24.92________7.2__________60
08_______40.6______23.71________5.6__________60
09_________40______18.84_______-2.2__________59
10_______34.4_______12.5_______-8.9__________59
11_________29_______4.13______-23.9__________60
12_________21______-2.52______-28.3__________60
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May 10, 2007
We have a static class that makes an HTTPWebRequest to get XML data from one of our vendors. We use this as input to a stored proc in SQLServer2005. When I compile this class and call it from a console application in visual studio it executes in milliseconds, everytime. When I compile it, create the assembly and clr function and execute it in SQLServer, it takes around 14 seconds to execute the first time, then on subsequent requests it is again really fast, until I wait for 10 seconds and re-execute, once again it is slow the first time and then fast on subsequent requests. We do not see this behavior when executing outside SQLServer. Makes me think that some sort of authentication is perhaps taking place the first time the function is run in SQLServer? I have no idea how to debug this further. Anyone seen this before or have any ideas?
Here is the class:
Code Snippet
using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.IO;
namespace Predict.Services
{
public static class Foo
{
public static string GetIntradayQuote(string symbol)
{
string returnQuote = "";
HttpWebRequest request = (HttpWebRequest)(WebRequest.Create("http://data.predict.com/predictws/detailed_quote.html?syms=" + symbol + "&fields=1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,28,30"));
request.Timeout = 1000;
HttpWebResponse response = (HttpWebResponse)(request.GetResponse());
StreamReader streamReader = new StreamReader(response.GetResponseStream());
returnQuote = streamReader.ReadToEnd();
streamReader.Close();
response.Close();
return returnQuote;
}
}
}
When I run call it from a console app it is fine.
I compile it into a dll and then create the assembly and function as follows:
Code Snippet
drop function fnTestGetIntradayQuoteXML_SJS
go
drop assembly TestGetIntradayQuoteXML_SJS
go
create ASSEMBLY TestGetIntradayQuoteXML_SJS from 'c:DataBackupsCLRLibrariesTestGetIntradayQuote_SJS.dll' WITH PERMISSION_SET = EXTERNAL_ACCESS
go
CREATE FUNCTION fnTestGetIntradayQuoteXML_SJS(@SymbolList nvarchar(max)) RETURNS nvarchar(max) AS EXTERNAL NAME TestGetIntradayQuoteXML_SJS.[Predict.Services.Foo].GetIntraDayQuote
go
declare @testing nvarchar(max)
set @testing = dbo.fnTestGetIntradayQuoteXML_SJS('goog')
print @testing
When I execute the function as above, again, really slow the first time, then fast on subsequent calls. Could there be something wrong with the code, or some headers that need to be set differently to operate from the CLR in SQLServer?
Regards,
Skipper.
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Sep 20, 2006
Hi experts;
I have a problem with unicode character 0x2300
I created this table
create table testunicode (Bez nchar(128))
Insert Data
insert into testunicode (Bez)values('')
with 2 Unicode characters
= 0x2300
= 0x2122
Selecting the data
select Bez from testunicode
I see
"?"
= 0x2122 is ok but instead of 0x2300 there is 0x3f
When I modify the insert statement like that ( 8960 = 0x2300 )
insert into testunicode (Bez)values(NCHAR(8960)+'')
and select again voila i see
""
Does anyone have an idea?
Thanks
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Apr 18, 2008
I am trying to 'load' a copy of a SQLServer 2000 database to SQLServer 2005 Express (on another host). The copy was provided by someone else - it came to me as a MDF file only, no LDF file.
I have tried to Attach the database and it fails with a failure to load the LDF. Is there any way to bypass this issue without the LDF or do I have to have that?
The provider of the database says I can create a new database and just point to the MDF as the data source but I can't seem to find a way to do that? I am using SQL Server Management Studio Express.
Thanks!!
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Jul 29, 2005
I'm chasing after a documetn that was available on one of the Microsoftwebsites that was titled somethign like "MS SQL Server Best Practices"and detailed a nyumber of best practices about securing the server.Included in this was revoking public access to the system tableobjects.Can someone post the URL where I can pick this up, or drop me a note oncontacting them for a copy of the document?
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Jun 14, 2006
I have an app that uses a sqlserver 2000 jdbc driver to connect to a sqlserver 2000.
Is it possible to do a direct replacement of sqlserver 2000 with sqlserver 2005 express just by reconfiguring the app to point to the express? The app would still be using the sqlserver 2000 jdbc driver to try and make the connection.
If that is a possibility, what can be some differences in the configuration? Previously with 2000 the config information I entered is:
server name: "machinename"( or ip). I've also tried "machiname/SQLEXPRESS"
DB name: name of db instance
port: 1433(default)
user and pass.
My attempts so far results in
"java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket."
and
"java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Unable to connect. Invalid URL."
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Feb 9, 2006
Hello,
I have an SQLServer Mobile database, and I would like to know if there is a way to upgrade it to SQLServer 2005 (.mdf) database. My database has no records in it, just the structure (tables etc). What I am actually asking is if I can create automatically a new SQLServer 2005 Database with the same structure as my existin SQLSErver Mobile database
Thanks in advance,
TassosTS
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Jun 20, 2007
Hello people.
I am in the process of planning a server upgrade to sql2005 x64.
I created 2 linked servers: one to a SQL2000 sp4 server and one to a SQL7.0 SP3.
I have the following error when I query the linked servers.
OLE DB provider "SQLNCLI" for linked server "IVDM2K" returned message "Unspecified error".
OLE DB provider "SQLNCLI" for linked server "IVDM2K" returned message "The stored procedure required to complete this operation could not be found on the server. Please contact your system administrator.".
Msg 7311, Level 16, State 2, Line 1
Cannot obtain the schema rowset "DBSCHEMA_TABLES_INFO" for OLE DB provider "SQLNCLI" for linked server "IVDM2K". The provider supports the interface, but returns a failure code when it is used.
I am aware of KB 906954.
http://support.microsoft.com/default.aspx?scid=kb;en-us;906954
I applied the instcat.sql on the SQL2000SP4 server and my linked server issues for that one are gone.
However, I ran the instcat.sql script on the SQL7.0 sp3 server and the linked server is still giving me an issue.
Can someone help me find a solution to this?
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Apr 18, 2007
Regarding KB935356, is there a "post" service pack 2 update for SQLServer Express?
Thanks.
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Jul 8, 2006
Hello Expert!
I have 2 Database Access & SQLServer(ver 7)
I need to Import Data TblShift from Access to SQLServer using DTS Ive done this successfully!
Now I want to use parameter so I only importing record within range (e.g. ShiftDate BETWEEN 05-24-2006 AND 06-23-2006)
In SQLServer, I have created table to store the date range as following:
TblParameter
DateFrom: 04/24/2006
DateTo: 05/23/2006
How do I use the date range from TblParameter(SQLServer) to import record from TblShift(Access) using DTS?
Is this possible or any better solution for this?
TIA
Regards,
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Dec 29, 2005
Hi Friends,
Can some please let me know the differences between sqlserver 2000 and sqlserver 7.0
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Jun 6, 2007
Hi,
I am new to SQL Server 2005. I tried connecting to my local machine by using my machine name as Server name and then tried running the following query:
SELECT * FROM SYS.Objects. It gives me following error:
Invalid object name 'sys.objects'.
Whereas, if I connect to my local machine using mahcinenameSQLEXPRESS, then the above mentioned query runs fine.
Why is this difference? What is the difference when I login in these 2 different ways.
Any help would be appreciated.
Thanks in advance.
Any help
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Sep 26, 2007
Hello,I have two tables:[Posts] > PostId, ...[Ratings] > RatingId, PostId, RatingI want to select all posts and add a new column named AverageRating.This new column is the average of all ratings associated to that Post.If a post was not rated then its AverageRating would be NULL.How can I do this?Thanks,Miguel
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Apr 18, 2006
if I have a bunch of times, and want an average of them, how do I do that?
Thanks.
For more details, see this thread:
http://www.dbforums.com/showthread.php?t=1215633
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Jun 19, 2007
I am getting the number of transactions for two different months based on dates entered from the user. I need to display the number of transactions along with the average sale. I have figured out how to get the dates and sum the transactions but I can't seem to add in the average....
(@prevMonthStart datetime, @prevMonthEnd datetime, @thisMonthStart datetime, @thisMonthEnd datetime)
as
select sum(case when orders.orderdate between @prevMonthStart and @prevMonthEnd then 1 else 0 end ) as PrevMonthCount,
sum(case when orders.orderdate between @thisMonthStart and @thisMonthEnd then 1 else 0 end ) as ThisMonthCount
(how do I add in the average for both months? The column is orders.ordertotal)
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Jan 6, 2008
Using MS SQL 2005 server how can I get the average cost price of item 'shirt' from this table please?
code item description cost retail
---- ---- ----------- ---- ------
191 shirt shirt - white 2.30 9.99
170 pants pants - beige 6.34 15.00
196 shirt shirt - red 2.64 9.99
199 shirt shirt - blue 2.61 9.99
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Jan 19, 2008
Hi !
I am having this problem. I have a grouping someting like this.
Group1
Resolved Resolution Time Average Resolution Time
30 2904.46 96.82
54 1442.03 26.70
0 0.00 0.00
0 0.00 0.00
------------------------------
Avg : 30.88
Now to calculate the average inside the grouping I have used this
iif(Sum(Fields!ResolutionTime.Value) = 0 ,"0.00",(Sum(Fields!ResolutionTime.Value)/(iif(Count(Fields!ResolvedDate.Value)=0,1,Count(Fields!ResolvedDate.Value)))))
I am at a loss how to calculate the group footer (Result = 30.88 ) which is equal to (96.82 + 26.70 + 0 + 0 ) / 4 . This is the result from the existing Crystal report. I am trying to convert this report to reporting services. Now I cannot nest aggregate functions and also the row number can be dynamic I am confused how to resolve it.
Any ideas will be greatly appreciated.
Thanks in advance.
--Abbi.
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May 21, 2008
Hi All,
I was hoping someone could help me with pluging moving average into my report.
This is the template I am using for moving average:
//
/*Returns the average value of a member over a specified time interval.*/
CREATE MEMBER CURRENTCUBE.[MEASURES].[Moving Average]
AS Avg
(
[<<Target Dimension>>].[<<Target Hierarchy>>].CurrentMember.Lag(<<Periods to Lag>>) :
[<<Target Dimension>>].[<<Target Hierarchy>>].CurrentMember,
[Measures].[<<Target Measure>>]
)
// This calculation returns the average value of a member over the specified time interval.
FORMAT_STRING = "Standard";
This is what I have before I started to add the moving average. The report works but only displays the cummulative complexity rank.
WITH
MEMBER [Measures].[Date Key] AS
[Date].[Date].CurrentMember.UniqueName
SELECT
{
[Measures].[Date Key],
[Measures].[ComplexityRank]
} ON COLUMNS,
(
[Work Item].[System_State].[System_State],
(StrToMember(@StartDateParam):StrToMember(@EndDateParam))
)
ON ROWS
FROM [Team System]
WHERE
(
STRTOMEMBER("[Team Project].[Team Project].["+@Project+"]"),
STRTOSET(@IterationParam),
STRTOSET(@AreaParam),
STRTOSET(@WorkItemTypeParam)
)
What I want to do is also add the moving average for this over the parameter of Iterations. (IterationParam). This is what I have so far with the moving average in my report: I know I must have a lot of errors but I can't get past this first error. I highlighted the line with error. The error said: Query(7, 15) Parser: The syntax for '.' is incorrect. (msmgdsrv)
WITH
MEMBER
[Measures].[Date Key] AS
[Date].[Date].CurrentMember.UniqueName,
[Measures].[Moving Average] as
AVG({[Date].[Date].currentmember.lag(@IterationParam):
[Date].[Date].currentmember},[Measures].[ComplexityRank])
SELECT
{
{measures.[moving average],measures.[Internet Total Product Cost]} on 0,
[Date].[Date]. Members
[Measures].[Date Key],
[Measures].[ComplexityRank]
} ON COLUMNS,
(
[Work Item].[System_State].[System_State],
(StrToMember(@StartDateParam):StrToMember(@EndDateParam))
)
ON ROWS
FROM [Team System]
WHERE
(
STRTOMEMBER("[Team Project].[Team Project].["+@Project+"]"),
STRTOSET(@IterationParam),
STRTOSET(@AreaParam),
STRTOSET(@WorkItemTypeParam)
Does anyone have any suggestions?
Thanks,
Nici
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Jan 5, 2007
I have two tables, table a holds all the votes by users of each element in table b. I was wondering, how do I get the average of all those votes in table a that relate to that each instance of a element in table b. For example table b has two elements created by a certain user that has been voted 5 times each by users with scores like 2, 5, 4, 2 , 2 for both of them. I just need to get the average of those numbers that pertain to those elements in table b. Thanks for any help.
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Oct 25, 2000
Can any one be able to help me to write a querry on Moving Average
Example
Product Volume
Fish
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