Queries :: Calculating Three Different Rolling Averages In One Query?
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;
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.
Im in need of some help with a query that i am trying to set up. I have a table with data shown roughly below. And need to extract the average [call length] for each heading of [Call type] on a given date.
Ie. The query will be run and the date can be inputted. It would the display each category only once and the average of that category.
Let's say I have a table sort of like this one: [URL] .... (Table 1)
What I want to do is make another table that references the first table: [URL] ... (Table 2)
I want the cells in the Average field in Table 2 to calculate an average of all the values for records in Table 1 with Color fields that correspond to the Color field in Table 2 (this makes a little more sense if you look at the pictures). I could do this in Excel, but then problems would arise whenever I would add a new entry to the database, or re-alphabetized the data, since Excel math is depends entirely on the positions of cells, and I want these averages to be continually calculated correctly and to change whenever I add related records to the database.
I have a table comprised of/grouped by agency, payer source and billing date summing dollars the order/display of the data is the same as the grouping; that is, ordered by agency, payer source, and billing date. The billing date is just every Tuesday of every week. Every once in a while, there is a negative value in terms of dollars for a particular agency/payer source/billing date category. When this happens, a voucher isn't created and in billings that follow that 'rolling negative' amount must be accounted for. Is there a way in which I can produce a value on the line that adds the rolling negatives from prior weeks if they exist? An example is below:
Agency Payer Source Date of Billing Dollars Amt to Release ABC Patient 1/28/13 $500 $500 *full amt releases because no rolling negatives ABC Patient 2/04/13 $600 $600 *full amt releases because no rolling negatives ABC Patient 2/11/13 $-200 *nothing released because negative amt ABC Patient 2/19/13 $300 $100 *$300 - $200 released because a negative occurred in prior week
I am trying to create a database that will keep track of the orders placed for a given part number by month. Currently, my table houses the part number, and the ordered amount for the past three years by month (there are thirty-five columns for every part). My column headings are ORDER_MAY_2013, etc. I would like to set a query up that will look at the column headings and pull the amounts ordered for each part for the past twelve months. In other words, I have three years of data in my table. In my query, I just want one year. However, I don't want to have to rewrite the query every month so that it will pick up the new data. Is there a way to accomplish this?
Is there a better way to build this database? I thought about just have four columns in my table - PART_NUMBER, ORDER_MONTH, ORDER_YEAR, ORDER_AMOUNT. The only problem there, is that every part (there are about 450 parts) would have to be listed 35+ times. That seemed too redundant to me, so I built the table this way. However, now I am having trouble querying against it.
Sr.NO Name Amt.Tot Amt.Needed 1 Mark 100 24 2 Mark 100 80 3 Tom 150 12 4 Tom 150 45 5 Joe 50 23
Need to add a field which is Amount.LEft so that the table looks like this
Sr.NO Name Amt.Tot Amt.Needed Amt.Left 1 Mark 100 24 76 2 Mark 100 80 -4 3 Tom 150 12 138 4 Tom 150 45 93 5 Joe 50 23 27
The last field is Amt.Tot - Amt.Needed and this should roll over and subtract for all transactions of Mark, then restart again for Tom and then again for Joe. Let me know if there is any confusion on that.
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.
I wanted to know if it is possible to set a rolling year based on the first recorded date for an individual. In other words, my table is updated every time an employee receives a point. The record includes the employee's name (empName), the date (dateOfOccurrence), and the point (occurrencePoint).
I would like to create a query that would be based on a rolling year from the very first record of an employee based on the first dateOfOccurrence. The first date/record of this employee would be the start of the rolling year. I am writing this in SQL in Access 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 ...
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.
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.
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.
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...
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.
I have been working on a stock database for my company. It needs to hold stock data, Any adjustments in the storesperson may do (QtyIn or Out). And allow Customer PO's to be raised (just to show prices and quantites sold to customers)
I then want to create a query to work out the total stock.
At the moment i have two queries, one to Sum the adjustments and one to sum the PO's. (The stock is not removed from the Customer PO until invidual line is shipped)
I then need to combine both these queries to work out the total stock value.
There will always be a value in the Sum of Adjustments but not in the Customer PO. So when i run the query to =SumofAdjustments - SumofCustomerPO's, if there is no record in the SumOfCustomerPo's, no value will appear.
My training database requires me to identify each training record in the tblEmpTrainHist table as either "Compliant" or "Delinquent". I thought a simple calculation in my query:
would do the trick. However, I did not consider the records where the employee has not yet completed the training and the field [DateReceived] is Null. There are two considerations: those employees who have no [DateReceived], but have not yet reached the DateDue (Compliant); and those employees who have exceeded the DateDue (Delinquent).
Product (Table PDZRN1) Whse (Table PDZRN1) Description (Table PDZRN1) On Hand (Table PDZRN1) Unit Cost (Table PDZRN1) Unit Price (Table PDZRN1) LastDate: Date (Table Sales_History) (using the Max function)
Where I am stuck is I want 4 additional columns to pull the last 3 fiscal years and total sales for each Product for the 3 previous fiscal years. The Field with sales amount is "Sales" it is located in Table "Sales_History", and the dates for the invoices are in the field "Date". I tried the following query, but I'm sure it didn't work because I failed to push the data back to the date field:
Field - FY2013Sales: Sales Table - Sales_History Total - Sum Criteria - <= 04/01/2012 and <= 03/31/2013
how to link my criteria back to the "Date" field, or if I'm even going down the write path.
I don't use Access too often but I'm trying to connect a table to some business intelligence software I use.
A. Date B. Price C.Ydayprice 01/01/2015 101.45 02/01/2015 104.70 03/01/2015 103.00
Simple stuff. Once I've connected to the table, I can easily do what I want with Field 'Price' and 'Ydayprice'. However, I can't calculate column C. All I want is row 2 to say 101.45, R3 to say 104.7 etc. I've tried various things but I don't have the knowledge to write the action I require. I don't want to calculate the change in Access either.
I've can do this on excel but don't know how in Access. I'm calculating bonuses. My table has salaries, and my query simply multiples each salary amount by a % to get the bonus amount. But I need to calculate adjustments to the bonuses using the sum total of the bonuses my query calculated:
Salary (from table) Bonus (calc'd by query) Adjustment (to be calced)
100,000 1,000 Sum of total bonuses/salary*4% 90,000 900
How do I capture the total of my calculated bonus column to use to calculate the adjustments in my right-most column?
I am using the following UNION QUERY to total up equipment tested for a report.
SELECT "Laptops Tested" AS PCEQUIP, Count(*) AS RECORDS FROM [LAPTOPS] WHERE (((Date)Between [Enter Start Date] AND [Enter End Date])); UNION SELECT "Workstations Tested" AS PCEQUIP, Count(*) AS RECORDS FROM [WORKSTATION]
[code]...
I have created a report using ACCESS 2000 for this union query and it satisfies the requirement. I am trying to add the proper code and syntax in this query to total the number of all of this equipment tested.In this case the total would be 86. Is this possible?
I am trying to create a running total query that aggregates project funding by fiscal year. The fiscal year is calculated based on a date time field that is never null. The totals field comes from 2 different number fields that are either 0 or > 0. The query is going to be linked to by Excel, so I have to do the running total in the query itself, vs. a report.It is close to working, except that it is not totalling the first fiscal year. The output surrently looks like this:
As you can see, the first row for FY 2010 is blank. I know there is data there, as this query is fed by a subquery that selects these rows based on contract signed date. Below is the SQL of each query:
Code: SELECT Year([DateContractSigned])-IIf([DateContractSigned]<DateSerial(Year([DateContractSigned]),4,1),1,0)+1 AS FYearExport FROM tblProject GROUP BY Year([DateContractSigned])-IIf([DateContractSigned]<DateSerial(Year([DateContractSigned]),4,1),1,0)+1, tblProject.ProjID, tblProject.FPAccepted HAVING (((tblProject.FPAccepted)=True));
