Queries :: Top N For Each Combination Based On Group Averages
Jul 16, 2014
I need to create a query where in the end, I will have four rows of data based on based on two combinations of WaterSourceType and Crop.
I need the query to bring back the results of the average Top N (lets say Top 10%) for each combination.
I have tried this every which way and I can't seem to get it grouped like I want it. I NEED to have four distinct rows with the average of the ProfitPerBushel for each grouping.
Basically, what this does is show me the average profitablity of the top 10% in each grouping.
WaterSourceType | Crop | ProfitPerBushel
Irrigated | Soybeans | ProfitPerBushel
Non-Irrigated | Soybeans | ProfitPerBushel
Irrigated | Corn | ProfitPerBushel
Non-Irrigated | Corn | ProfitPerBushel
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Aug 20, 2013
I'm not sure if this is the right forum. If not let me know and I'll move the thread.
Table 1
Date
Measurement A
Measurement B
Measurement C
Table 2
Table 1 ID Link
Data 1
Tables are linked 1-to-many from table 1 to table 2 by ID.
I would like to average the Data1 data per Table1 ID and report it with the Table 1 Measurements.
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Dec 22, 2014
I have a combo named cbogroup. I have a tblGroup with several records (active, non-active, nursery, etc.). One of the records is *ALL*. Using the CboGroup the user can pick any of the records. Howeverr, if they pick the *ALL* record, I want the query to pull up animalID based on all records in the TblGroup. If another record is picked (i.e. nursery), then the query will pull up only animalIDs that are in the 'Nursery'.Can I put a (iff then) in a query in order to differentiate a query based on all group records or a query based on only one record?
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May 25, 2015
I used an option group to classify a record in my database. It works great for this purpose, but I am at the point now of creating a query, and I would like to query based on these classifications (or options). Is this possible to do?
Also, for the option buttons, the value is numeric. When I create the Query (or a report off of that query) I would like the actual text values to display, not the data value Access is using.
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Oct 17, 2014
I have two forms - Main and StudentAdvisor (filtered by student ID#) SAdvisor.jpg
The main form originally had a combo box field to display advisor, the problem is that some students had multiple advisors during the course of their program. This problem was fixed by the creation of a StudentAdvisor (table/form) for recording ALL advisors. I set the form to display by newest term so the current advisor (or initial if no change) is the displayed record.
On the main form I then added "add" to open the StudentAdvisor form for entering information, and an unbound txtfield to display their current advisor (or initial advisor if no change).
The problem is I can not get the txtfield to display the information. I have managed to get the error ( #Name?)
Advisor Type 1=Initial, 2=Current, 3=Previous
Changed 1=Yes, 2=N/A
so a record would record as:
Initial and N/A
Current and Yes
Previous and Yes
I tried writing DLookup but could not get that to look up the combinations (above) and display either initial or current.
also tried pulling form SA = Advisor to form Main = txtAdvisor
For report purposes I need to know not only current advisor but how many were assigned during the program and also how many students each advisor was assigned during certain time frames.
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Aug 15, 2013
I'm trying to get a total based a combination of criteria. Here's my issue:
If ([Vendor Billed Amount] > 650 $ and $ [Excess Fee Approved] = "Yes") then
[Payment to Vendor] = [Vendor Billed Amount]
else
If ([Vendor Billed Amount] < 650 $ and $ [Excess Fee Approved] <> "Yes") then
[Payment to Vendor] = [Vendor Billed Amount]
else
endif
endif
I think I'm missing an argument with the nested If statement.
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Jun 26, 2013
Is there a way to calculate three different rolling averages in one query?
I just inherited a database where someone is using three queries to capture the same information only with different time frames. They were calculating a rolling three month average, six month average, and twelve month average. I would like to combine these queries into one to reduce time spent running reports from the database. All three queries are based on one table. One of the columns in that table is called "Month Start Date". That field shows the first day of the month when a call was entered. I can get the query to tell me the first month in the three month period and the first month in the six month period, but I can't get it to calculate the averages of the calls that fall in those time frames. Here is the SQL for the query I have now. When I try to run this, I get the error message that my formula is not part of an aggregate function.
Code:
SELECT DISTINCT DateAdd('m','-2',(Max([Month Start Date]))) AS ThreeMonthStartDate, DateAdd('m','-5',(Max([Month Start Date]))) AS SixMonthStartDate, Max([Month Start Date]) AS MaxStartDate, IIf([Month Start Date] Between [ThreeMonthStartDate] And [MaxStartDate],Avg([All Call Rate]),' ') AS ThreeMonthAverageCallRate, LIST_WITH_TNC.Device, LIST_WITH_TNC.Model, LIST_WITH_TNC.[Item Num]
FROM LIST_WITH_TNC;
Is there a way to make this work?
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Jun 11, 2015
Is it possible to do combination of these two queries?
SELECT * FROM tblGoraZleceniaNowaWyceny WHERE [id_wycena_pre] = Forms!frmWycenyObszarroboczy!ID_wycena_pre[/CODE]
and
Code:
SELECT [Query1].[NumerArkusza], [Query1].[nazwa], [Query1].[id_wycena_pre]
FROM Query1
WHERE ((([Query1].[numerarkusza]) In (SELECT [numerarkusza] FROM [Query1] As Tmp
GROUP BY [numerarkusza]
HAVING Count(*)>1 )));
I need to do this to work with Recordset.
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Aug 20, 2013
I am designing queries to return averages for quality test data.
I have this query that functions as I want it too [URL] .....
It returns the averages of all the values received for different tests for a lot number (the lot number criteria should be filled out as well)
When I want the query to be more specific and average only certain box numbers in the lot (that start with the prefix PB") the query does not return an average for box numbers starting with PB but splits them up, showing an average for PB1, PB2 instead of combining the data for those boxes into a single unified average ...
[URL] .....
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Aug 19, 2013
In my query, I am looking to set the criteria by having the user pick 1 of 3 options, or a combination of those three options. Here's an example:
The fields are Manager, Employee, Job Function. Let's also say that my criteria is David, John, Busy Work. I want to be able to pull results by David, John, Busy Work, or a combination of those three.
My Query for picking 1 of the 3 looks like this:
Field: Manager Employee Job Function
Criteria: David
Or: John
Busy Work
When I try to add additional Or statements, it never works. An example would be in the fourth line of the criteria, I add:
David John
Running the query produces only the results for David. Mixing it up produces only the results from the first item in the criteria (Manager over Employee over Job Function).
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Apr 18, 2014
We have the following table.
Code:
ID studentname lectureplace lecturesubject
1 jack A Biology
2 steve A politics
3 jack B math
4 steve A math
5 jack B politics
6 joe A politics
. . . .
. . . .
154 Jane B Geography
We need a query to implement two criteria to extract the following records:
1-Show lectureplace A AND politics lecturesubject
2-Show only those with lectureplace B regardless of the subject
In case the query is run we will have the following result:
Code:
ID studentname lectureplace lecturesubject
2 steve A politics
3 jack B math
5 jack B politics
6 joe A politics
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May 16, 2013
I am working on a fairly ancient manufacturing database that identifies items using a combination of letters and numbers. The usual format is to have a letter (which suggests something about the item type) followed by a sequence of numbers.
I am trying to write a query that looks up all the records beginning with a prefix or arbitrary length, strips away the text, and finds the highest number.
Code:
SELECT Right(LocalID,Len(LocalID) - 1) As IDSuffix
FROM tblItemIDCrossReference
WHERE Left(LocalID,1) = 'T' AND IsNumeric(Right(LocalID,Len(LocalID) - 1)=True)
This query produces the error given in the title of this thread, whilst the following works:
Code:
SELECT Right(LocalID,Len(LocalID) - 1) As IDSuffix
FROM tblItemIDCrossReference
WHERE Left(LocalID,1) = 'T' AND IsNumeric(Right(LocalID,5)=True)
This related query also works and shows a load of -1s and 0s correctly
Code:
SELECT Right(LocalID,Len(LocalID) - 1) As IDSuffix,
IsNumeric(Right(LocalID,Len(LocalID) - 1)=True) As Alias
FROM tblItemIDCrossReference
WHERE Left(LocalID,1) = 'T' AND
But once again shows the error message when I try to filter the field Alias to -1 or 0 only through the right-click menu.I have tried piping Len(LocalID)-1 through CLng, CInt, Int, CDbl and CSng; this changes the error to 'Invalid Use Of Null' I have also tried removing the '=True' from the IsNumeric() term.
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May 23, 2014
I have 2 tables and one query as below
1- Order Table
OrderID | CustomerID | CusromerName | OrdDate
2- Payment Table
OrderID | Amount | PYMDate
3- Order Deatails Query
OrderID | ProductName | Quantity | Price | Total ([Quantity]*[Price])
I want to group the orders based on the sum of total and sum of payments. I made another query as following :
OrderID (From order table) | Payment (from payments table) | Total (From Order Details Query )
At the Total field I set the above fields to
Group By, Sum
and Sum respectively
I got true payments sum, however, the sum total are always duplicated.
Note that the three objects (two tables and query ) have relation (type : one to many) by the order ID
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Jan 10, 2006
Hi all,
My problem is as follows:
I am trying to generate a report, which is based on a query, which references a form that has an option group containing four options.
I want to sort the data according which option group radio button has been selected (they the values of 1,2,3,4).
Originally there were only 2 options and the query said (in SQL view):
ORDER BY IIf(Forms!frm_08_reportsort!opt_sort_by=1,TBL_Acco untManager.Name,TBL_SiteContactDetails.SchoolName) ,
This works fine for 2 options, but I can't figure out what command i should use for more than 2 options :confused:
Any help would be much appreciated :)
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Feb 23, 2014
If it possible to change if a group is visible based on what page a different group is printed on.
The report I'm working on is a Invoice and it has subtotals in one group and totals in another group.
If the totals are going to print on page 1 then there is no need to print the subtotals. Is there a way to know what page the totals will print on so I can set visible for subtotal group to true or false?
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Jul 21, 2014
My report is grouped by a Billing Group #...within each billing group there are sub invoice numbers that are tied to the main billing group # (they all have the same billing group # but different general invoice numbers). I need to pull data if one of the general invoice # invoice dates is greater than or equal to a specific date entered.
In other words: If a Billing Group # and one of the Invoice Dates is greater than or equal to a specific date entered then pull ALL GROUP data to report.
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Oct 9, 2014
I have created a form with an option group with 4 options (date, line, description and observation). Each of these options are to be a sort order for a report that will open after the user selects an option and clicks a button. I am trying to code the button using a select case so that case 1 opens the report sorted by date, case 2 by line, etc. how to write the code for the sorting.
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Sep 10, 2014
Is there a way to duplicate, triplicate, a record based on an option group selection. i.e.
Form
Field: Option group
Value = 1
Value = 2
Value = 3
Field 2:
Field 3:
Field 4:
and so on.
Basically if value 1 is selected, then I fill out the rest of the fields hit enter and go to a new record. But if value 2 or 3 is selected, I fill out the the fields, hit enter. The information is recorded said number of times based on the selection in the option group. Ideally I would have2 or 3 of the same record in the db, with different Primary keys of course.
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Nov 5, 2006
I have a database containing values in 16 fields. the fields are filled in over a period of three years. I would like to be able to calculate the average of the last four values entered, regardless of when in the cycle the value is required. I have tryed to use quereies but connot find away to assign the four fields to the expression so that it is the last four values and if four don't exist, avearage what values there are.
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Mar 29, 2007
Hi guys...
I have a problem...
In a query i calculate averages.How can averages looked like
Number,NumberNumber for example: like 2,35 and not like 2,346789?
Thanx in advance...
Johann
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Jan 18, 2008
Hi,
In my database, I have clients and client hours. I need to calculate average client hours. My total client hours expression is: TTotals: Sum((Nz([SessionHoursCompleted])+Nz([OptionalHoursCompleted]))). I need to divide this number by the number of clients.
Any suggestions ie sum of client number, sum of clients, count of clients.
I've tried these and the results are incorrect.
Thank You
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Jun 15, 2007
I am trying to calculate the average patients age from 2671 records using this SQL:
SELECT tbl_Customer_Details.DOB, CalcAge([DOB]) AS Age, DAvg("[Age]","qryAvgAge") AS Average
FROM tbl_Customer_Details
GROUP BY tbl_Customer_Details.DOB, CalcAge([DOB]);
why am I getting the result:
68.1131066106
I would have thought that it would have been 68 a whole number, has anyone got any suggestions why this should be.
thanks
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Jan 4, 2006
Right, So i've got a table which has records for the Top 40 Music Charts.
I want to be able to find out the averages for each song taken from it's positions in the chart over the weeks:
http://www.playfm.orcon.net.nz/Chart4.GIF
So essentially I get something that tells me
[Lenny Kravits] [American Woman] [24.5]
[Silverchair] [Ana's Song (Open Fire)] [41.1]
and so on...
Any ideas?
Cheers guys,
Alex.
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Aug 12, 2005
I have developed the following query to summarise a blast design at a mine site.
Pattern Depth m Subdrill Burden Spacing BCM/hole #Holes BCM
1.00 7.00 1.00 3.00 3.00 54 10 540
1.00 7.00 1.00 3.50 3.00 63 10 630
2.00 7.00 1.00 3.50 3.00 63 10 630
2.00 7.00 1.00 4.00 3.00 72 10 720
Now there will be many patterns, the above however only contains one (called 1). Now what i need is the average Depth, Subdrill, Burden, Spacing, bcm/h. In MS Excel I would have following:
Average BCM per hole = Sum of BCM / Sum of Holes
How to do this in Access? Then just to make it more difficult I want to have the average BCM for each different pattern.
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Sep 18, 2007
Hi there,
once again I have a problem for which I am looking for some hints...
I still have one table, called tblTransactions, which contains security market transactions. For each buy and sell order, respectively it contains one data set with columns Date, Ticker (i.e. the unique identifier of each security), Quantity (positive for buy, negative for sell orders) and Price (at which the trade was executed).
The following code gives me all stocks, which are no longer part of the portfolio since they have been sold out completely for any arbitrarily chosen date (here 1/30/07) together with the date, on which the last position in a certain stock (identified by the ticker) were sold:
SELECT T.Ticker, max(T.Date) AS SellDate
FROM tblTransactions AS T
WHERE T.Date<=#1/30/2007#
GROUP BY T.Ticker
HAVING sum(T.Qty) =0
ORDER BY T.Ticker;
Now it becomes complicated: What I am looking for is a sub-query, which I want to add to the code above and which gives me the weighted average price at which the stocks were bought and sold, respectively if there have been more than one buy or sell transaction.
That is, for the following sample data of tblTransactions...
Date --- Ticker --- Quantity --- Price
01/01/07 --- AAA --- 50 --- $50
01/01/07 --- BBB --- 25 --- $75
01/10/07 --- BBB --- 75 --- $100
01/15/07 --- AAA --- 30 --- $60
01/20/07 --- BBB --- -100 --- $100
01/25/07 --- AAA --- -40 --- $120
01/26/07 --- AAA --- -40 --- $100
...the query I am looking for should give the following result as per 01/30/07:
Ticker --- SellDate --- WeightedAvgEntry --- WeightedAvgExit
AAA --- 01/26/07 --- $53.75 1) --- $110.00 3)
BBB --- 01/20/07 --- $93.75 2) --- $100.00
Notes / how to calculate the weighted averages:
1) (50*$50 + 30*$60) / 80 = $53.75
2) (25*$75 + 75*$100) / 100 = $93.75
3) (40*$120 + 40*$100) / 80 = $110.00
I do not have any clue at all how to solve that problem. I would be very happy for any hint that could lead to the right direction.
Best regards
JapanFreak
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Jan 18, 2008
My database has 8 clients. During a sample date range, between 1/1/05 and 1/1/11, they worked a total of 348 hours. I need to query them for hours divided by client by date range. 3 clients, for instance, worked a total of 162 in the sample date range but the query is dividing the 162 hours worked
by all 8 clients. I need it to divide the hours in this case by 3. Needless to say, these numbers will change when a different date range is inputted but if the expressions are correct...
Currently, to calculate this number I am using this expression :
Averages: Sum((Nz([SessionHoursCompleted])+Nz([OptionalHoursCompleted])))/DCount("IDOC","spise clients_OLD_OLD").
A copy of the query 'Current Average/Total' is attached.
Thank you for your assistance.
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