Tables :: Averaging Calculated Fields While One Field Is Blank
Feb 5, 2015
Access 2010 database.
I am trying to get an average from several numbered fields, which some may occasionally be blank.
=Nz([JanUS],0)+Nz([FebUs],0)+Nz([MarUS],0)
I get an error message that says "The expression =Nz([JanUS],0)+Nz([FebUs],0)+Nz([MarUS],0) cannot be used in a calculated column. This is a hypothetical expression being used.
The interface being used is a main form with various tabs and a subform on each of these tabs.
There is one field ('max power density') in my database that is calculated using 'Max Rated Power' and 'Cylinder Capacity' however these are in different tables and subforms. The 'max power density' and 'max rated power' are in table and subform 1 but 'cylinder capacity' is in table and subform 2. Is it possible to keep them in separate tables/subforms and still calculate the field?
I have a report with a number of calculated fields, and information that is pulled from the form that calls the report. Pulling the information is done in the Report_Load() event by setting the report.txtBox = Form.txtBox. When I open the report in acPreview all the calculated fields are populated as they should, and when I open the report in acNormal mode (which is what I want) the calculated fields remain blank.
I'm working with a report that totals the number of times a topic is returned from a query. If a topic is not returned at all, i don't want it to show at all. Currently it is showing a blank field for that topic name and blanks in the count as well. Here's the filter i've put in to pull the right data out of my query: =Sum(IIf([Caller Used Resources]="No",1,0))
I have a calculated field in a query. The field name is TotatPt (this is to calculate the total points students have earned during the term). The expression is as follows:
I think this should be no complicated expression (though a bit long) and should just add the fields together. But what I get is that the calculated field appears as expected for records with an odd primary key (1, 3, 5, 7, ...) and turns out blank for records with an even primary key (2, 4, 6, 8, ...)!
I have a table in which each record includes a field showing the time that an event started and then another field which stores "how long did it take", these two fields are both defined as a short Time. I then have a query that runs through the "how long did it take" fields to produce an average time for the whole sequence of events. Two problems:
1. The average comes out as a decimal like 39553.367942 instead of several hours and minutes.
2. When I try to access this value using DLookup on a form I get "#error"
I am using calculated field as a data type in access 2010.
They are working fine.
However, I added a new field and now the final calc won't work.
I have Subtotal adding loads of fields together. Works fine.
Then I have a VATunit field which is a double integer, so enter 20 and my next field is VATTotal calculates the SubTotal + the VATunit by doing (Subtotal/100)*VATunit. This calculation is fine and gives me the correct amount.
The next field is a Total field. Which adds Subtotal and the VATTotal together. Howver, the Total is the same as Subtotal. It is not adding the VATTotal to it?
I have two tables of data, each relating to three business branches (branches A, B and C).
Table 1 shows the expenditure of each branch (by fuel, premises and wages).
Table 2 shows a number of units for each branch (mileage, floorspace and sales).
What I would like to do is calculate unit costs, based on the expenditure in Table 1, divided by a relevant unit in Table 2. The catch is that I want to have a third table which allows the user to specify which expenditure (from Table 1) is combined with which unit (from Table 2) to generate the calculated unit costs. I've been able to do this in Excel, and have attached an example. I've also attached an incomplete Access version with the first two tables. Given the complexity of my actual data, I feel this could be better handled in Access than Excel.
I'm using Access 2010 and I'm a novice with databases.I have a table that contains water flow readings taken 4 times a day from multiple wells. I am trying to create a select query that will generate the daily average of the 4 flow readings.
Also, my table also has several 0 values and NULLS meaning the well was turned off - I want to exclude the zeros and nulls when I average. How to average these numbers? Do I need to restructure my table?
I am a firefighter who has been tasked with creating a database to track repairs and inventory on breathing apparatus(SCBA). There are several(5) related pieces of equipment that I think should go on the same table. Three of these will have nearly identical fields. The other two will have additional field specific to them. Should I create one table including all five pieces and just leave the extras fields blank or is there a better way. Thanks.
I have to import a table into a government database. I've got the data lined up in a table and exported to csv. The problem is that the government database doesn't allow empty fields, or the commas created by empty fields. The empty fields are create by criteria that changes with each employee. Is there a way to get rid of them without manually deleting them? I would imagine there is but can't find anything about it or maybe I don't see the forest for the trees? Sample csv below with surplus commas.
is there any way to put into the calculated field (in expression builder) conditions? What I need is something like
Sum If (Table1.Field1="Y" And CurrentTable.Field2=Table1.Field3)
I means sum how many times there is "S" value in the field1 Table1, but only for records where the field3 in Table1 is equal to the value in the actual table in Field2 (in the actual row).
I am great with Excel but not soo much with Access 2010. I Excel, what I needed to do was very simple but duplicating what I did in Access is not soo easy.I am trying to calculate billings for FSA & HRA. I have set up one table with all the data. I want to add columns to the table to calculate:
1. Is there an account balance-excel formula: 2. If the account is still active 3. If the plan year run out is "active runout" or "runout over" 4. calculate each account type with a rate *count of FSA accounts = total to bill
Here are my excel formulas that for the life of me I can't get to work.
I want to use an expression to compare 2 dates and calculate the date of the last set of accounts for a company. The user will enter(DD/MM) of the company year end e.g. 31/12. I then want to compare this with todays date (in another field) to ascertain if the month has already passed in the current year and hence calculate the last year end. i.e. If (current month>company month end), year end date is DD/MM/YYYY (where YYYY is taken from today's date), year end date is DD/MM/(YYYY-1). I am not a programmer and although I understand database theory (from the teaching perspective) I am not expert in developing databases.
I have two tables identical with all text fields within the same database. One table I export as a csv, delimited with commas separating my fields and quotation text qualifiers. Where the fields are blank there are text qualifiers as well ("" - begining and ending quotations). This is what I need. The second table is exporting as a csv, delimited, commas separating the fields with text qualifier as ""- begining and ending quotations, EXCEPT the blank fields are not putting the text qualifier, and I need it.
First Table: *What I need* "142358", "PK", "15132678", "", "123.45"
Second Table: *What I need to fix and do NOT want* "142358", "PK", "15132678", ,"123.45"
I am in the process of building Append Queries for new records, and I know I can do an Update Query to enter specific information. However, how can I update multiple records from a (externally sourced) linked table to fill in blanks of an existing table? I have created a query to identify records with 1 or more matching criteria which contain the blank fields. I now want to update those blank fields. The data in each blank field is different for each record (same type, just different data).
I am creating a table in access 2010 for my consumable and bench stock report. I made a 12 fields which I name it the month of the year and another 1 field to add the total disburse materials in one whole year. I did this formula to add the 12 fields
But the problem is its just adding the complete consecutive months that I disburse and the row with blank section the total disburse doesn't show on the total disburse for the whole year. I try to use the code =Nz([Total Disburse],0) but it shows on the screen i cannot be used in calculated column.
Is there anyway to turn off the rounding function in calculated fields - I need to divide a currency amount by a whole number to calculate the number of full coin bags that will be needed (bags contain different totals according to the coin value) - a whole number.
Then the result is used to calculate how much loose coin will remain.
But regardless of the field type and/or the format, the number rounds when I reduce the decimal places to zero. I need the result to be the whole number and to calculate as the whole number.
We have our access database with a bit of a messy structure?
We use our database to record sizes of our product. I am hoping to improve it by adding the items we have in stock to prevent manufacturing more.
Basically our main database called "Make & Model 1" has a list of various makes and model numbers, each model number lists various information needed to manufacture a replacement part.
Customers order the part and these part details are entered into a table called "Order Detail" What I would like to happen is that when the details are entered a calculated field adds the data entered to a text string. I need to match the text string to the same text string in a table called "stock" as there could be one part that matches hundreds of models.
Basically the "profile" "Colour" "height" and "width" make the string and this is what I need to match and tick a box / populate the number of items in stock. Eventually I would like this to reduce by the amount ordered but lets do one step at a time.
I have a table tROE with a field listing all dates starting 1/1/10 to date (populated), and three fields for currency exchange rates [USD], [RSD] & [EUR] which are empty and need to be populated. I have another table tROEPartial that has the exchange rates for some of the dates starting 1/1/10 but not all. Their structures are identical. I want to add the exchange rates from tROEPartial to tROE where the dates match, leaving the unmatched fields in tROE blank.
I have calculated fields on my tables and used zero values as default to show totals. But when I view my report, all the zeros appear. Don't want those zeros to appear on the report.
the table 2 is the source of a form that will let the user change the numbers. table 1 should change Date1 and Date2 Fields based on the two fields (3months) and (6months) if i want to make a lookup wizard it should be changed manually and if i make a calculated field i can't find other tables in the expression builder
I have a calculated field that shows the sum of two other fields on the same form. I've got as far as making the expression work but it doesn't quite do what I want. I need the calculated field to update when any one of the reference fields are updated (i.e. currently it only updates once all the fields in the expression are updated).
How to I change the form so that the calculated field updates based on current values (including any fields that contain no value)?
I have 4 texts fields [DEVICE INSTALL] , [INSTRUMENT STAND], [BRACKETS RACEWAY SUPPORTS], [TUBING CAPILLARY] all can be either a percentage from 1-100 or "N/A" except [DEVICE INSTALL].I would like to calculate the [percentage complete]
my calculation in the field is as follows: ([DEVICE INSTALL]+ IIf([INSTRUMENT STAND]="N/A",100,[INSTRUMENT STAND])+ IIf([TUBING CAPILLARY]="N/A",100,[TUBING CAPILLARY])+ IIf([BRACKETS RACEWAY SUPPORTS]="N/A",100,[BRACKETS RACEWAY SUPPORTS])) /4
this seems to work to a degree. but for some reason when the [INSTRUMENT STAND] value is not "N/A" the percentage calculated is a wacky value much higher than 100. how could I possibly change my division #?
