Too Many Sumproduct Formulas Causing Slowdown
Aug 27, 2009
I want to say thanks for any help you might be able to offer. Attached are 2 sheets out of a workbook I am using which has many sumproduct formulas. On the the Input sheet, is where vacation and training forecast dates are listed. On the Calcs sheet, there are 2 monthly calendars for the year, 1 for vacation, the other for training. Would like to know if there is a way to have both records show up on only one calendar set. I currently have the vacation shown as a '1' and the training shown as a '9'. The workbook is used in Excel 2003 & 2007.
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May 27, 2009
Using Excel 2003, I'm summarizing info in one sheet (Review) with data in another worksheet (Work Orders). The following SUMPRODUCT calc worked fine...
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Aug 23, 2007
I have the following formula in 220 cells in a workbook:
=( SUMPRODUCT(('General Journal'!$C$1:$C$44995>=$D$3)*('General Journal'!$C$1:$C$44995<=$E$3)*('General Journal'!$H$1:$H$44995=$A5),'General Journal'!$I$1:$I$44995))+(SUMPRODUCT(('General Journal'!$C$1:$C$44995>=$D$3)*('General Journal'!$C$1:$C$44995<=$E$3)*('General Journal'!$J$1:$J$44995=$A5),'General Journal'!$K$1:$K$44995))+(SUMPRODUCT(('General Journal'!$C$1:$C$44995>=$D$3)*('General Journal'!$C$1:$C$44995<=$E$3)*('General Journal'!$L$1:$L$44995=$A5),'General Journal'!$M$1:$M$44995))
Where D3 is a starting date, E3 is a closing date, and A5 is a sorting code. It looks at my general journal and looks for all the entries between the two dates, and then sums up all the entries linked to the sorting code in A5. The sorting code is in column H, and the amount to sum is in column I, and this is repeated 3 times.
You are already probably signering at how long I must have to wait while excel calculates all these formulas (* 220). I have resorted to a macro that turns caluculation to manual when I open this workbook, and back to auto when it closes.
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Dec 24, 2007
I have an Excel file that has a certain amount of Array Formulas. It takes 30 seconds to calculate every time the user makes a change. Some users do not have the Status Bar showing, and they think that Excel is "locked up". I want to make a user form that will appear when the Stats Bar is "Calculating..." There are a lot of "progress indicator" tutorials on this site, but they all seem to relate to VBA code being inserted in between certain lines. That doesn't apply. My Excel file has no VBA. It just takes a long time to recalculate. I want a VBA form to appear, that will match the % progress shown on the Status Bar, whenever a change is made to the spreadsheet.
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Sep 29, 2007
I am working with 4 seperate workbooks where 4 different people enter data into cells. I have a 5th workbook that needs to have all the data from the 4 individual workbooks bought across so I can see all data. Like a master file. basically, in each cell of the master, I have the following code. =IF('[loans - 0708 - officer 01.xls]07-08'!B5="","",'[loans - 0708 - officer 01.xls]07-08'!B5)
I then have the code for each officer. As there are 24000 lines collectively for the financial year, the size of my master is 37mb, even when its empty, obviously cause each cell still have a formular in it. Is there ANY way to copy across the data from other workbooks without having to have every single correpsonding cell have this kind of formular to view the code? Also, copy it without having to open the other workbooks.
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Dec 12, 2013
Whenever you insert / delete row or cut cells out in Mon/Tue sheets it's causing issues in the table in the Weekly view tab.
Is there any way to prevent it? I don't mind redoing whole spreadsheet, it was done ages ago in a very fast manner.
I gave you an idea by deleting a row range in Mon tab which causes #REF error.
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Feb 22, 2008
I am doing a report which analyzes a specific person's transaction per country (3 criterias). The workbook has 3 sheets. First sheet is the database, 2nd is the report itself and 3rd is a reference table. I am using a sumproduct formula to count per person's transaction per country. It is giving me slow calculations.
I cannot possibly use a pivot table since there will still be other calculations involved after determining the transactions. I tried using database functions but i can't seem to understand how to go about it when there are multiple criterias involved.
I am attaching a sample file for your reference.
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Jan 22, 2009
I have had a workbook that I have been using to track inventory. I use a userform to enter the data for inventory in and out of the system. I recently added two more worksheets to the workbook, each of which has several SUMPRODUCT formulas on them that reference the inventory data.
Since adding these two sheets, when entering data via the userform, it takes a long time (relatively speaking) for the sheet to update with the relevant new data. I have attached a copy of the file, in hopes that someone can show me exactly what is causing the slow-down, and if there is a way that I can get the same results using different programming or formulas that will not be so slow.
The part that is slow is on the "Data" sheet. Click on the green or orange buttons to open the userform. Make a selection in each section, and enter an amount. Clicking on "Enter" will transfer the appropriate information to the worksheet. This is the part that is slow.
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May 19, 2007
I've got a tab with 32K+ lines of data in six columns. I need to be able to summarize it in a table based on two criteria (e.g. Region, Line of Business). I am currently using 16 sumproduct formulas (=sumproduct((type=a5)*(reg=a4)*revenue)) where type is the line of business and reg is the region column, and 8 vlookups per region. Each tab will have about 8 regions and I'll have 4 tabs. As you can tell, this spreadsheet will quickly get out of hand in terms of calculating speed. I can't really use a pivot table because of: 1) formatting constraints 2) the vlookups refer to a separate tab than the main data dump. What alternatives do I have other than array formulas to get the data in a nice little summary form? The formulas/presentation aren't very complicated, but I have yet to come up with a good alternative to the above.
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Oct 19, 2007
I was kindly provided with a formula from this forum a few months ago (in the attached workbook) to calculate the area under the curve of strings of data of varying length (i.e. different number of rows) these strings of data are aligned with a timeline (providing the Y and X axis for the curve respectively). The formula is able to calculate the area under these curves without the need for adjustment to the number of rows of the dataset.
However I have now tried to copy this formula to a new datasheet with a different total number of rows and a timeline fixed (of different intervals) in column A (rather than moving for each string of data) and I am receiving a #N/A error. I am sure that I have copied the formula correctly. Can anyone help fix my formula so that it calculates area under the curve again? I would like it to calculate the area under the curve for the data in the same column but using the fixed timeline in column A.
The working formula is on the sheet ‘original formula layout’ and the formula containing the error is on the sheet ‘new formula layout’.
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Dec 13, 2006
All I am doing is counting text values in a table.
The table has 3 main columns(which are relevant to this thread anyway).
Shift - Area - Status
The example I have attached shows examples of DCOUNTA, SUMPRODUCT and a Pivot Table.
I have read many threads stating that the best one to use is Pivot Table followed by DCOUNTA followed by SUMPRODUCT.
The most effective for me seems to be SUMPRODUCT (although this does slow excel down dramatically when you use a lot of these formulas). As do Array Formulas
The Pivot Table does not update on its own, therefore constantly needs to be refreshed. (I could use code to do this)
The DCOUNTA seems to be the least effective at doing what I want (unless I am doing something wrong)
In the attached example can the DCOUNTA be used more efficiently as I don't like the fact that I am duplicating rows to apply the criteria for a different shift. e.g
Area 1 - Late Shift - Banned
Area 1 - Early Shift - Banned
I want my table to be as follows (as the SUMPRODUCT shows)
AREA - Early Shift - Late Shift - Night Shift - Area Total
Area 1
Area 2
Area 3
Area 4
Area 5
Shift Total
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Mar 30, 2009
I have a sheet that contains rows containing letter codes for example "CU". This is generated by an IF formula i.e. If true = "CU". However I need to be able to calculate the number of instances of "CU" but sumproduct will not work as it sees the cell as containing a formula not the result i.e. "CU". Sumproduct code:
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Mar 10, 2009
My formula to add a row to a worksheet worked fine, except for the fact that it was including items with 0%. I need items with >0% but <=50%.
Here's the code that sorta works...
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Mar 10, 2014
why the following code generates an error if I use the backspace key to clear the textbox?
Code:
Dim t As Date
If Len(Controls.Item("txtstart").Value) = 4 Then
On Error Resume Next
t = TimeSerial(Left(Controls.Item("txtstart").Value, 2), Right(Controls.Item("txtstart").Value, 2), 0)
On Error GoTo 0
ElseIf Len(Controls.Item("txtstart").Value) = 5 Then
On Error Resume Next
[code]....
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Apr 15, 2014
I have a piece of code in one of my Macro's, if I run the macro and don't let this piece of code run everything works fine, when I let this piece of code execute the excel file keeps running until I go to save, at which point I get a message saying "Microsoft office excel has encountered a problem and needs to close. We are sorry for any inconvenience".
Code is as follows:
If MsgBox("Copy and hardcode this scenario?", vbYesNo) = vbYes Then
Calculate
Application.DisplayAlerts = False
[Code]....
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Apr 26, 2007
I'm testing some userform code & it seems to cause some sort of lockup where I can't enter anything into the excel cells. It doesn't just affect the spreadsheet the userform is attached to but any spreadsheet that I have open.
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Dec 31, 2013
I am creating a line graph to display changes in Cost Per Unit (CPU) of a given item over time.
The issue I have is that the CPU data on the line graph is displayed as 0 values where data is yet to be inputted. Instead I want the graph to remain blank where no data has yet been added. How can this be done?
find attached a simplified mock up of the spreadsheet.
Constant (fixed) values are:
- Date
- Hourly Rate
Values inputted on a daily basis are:
- Hours Worked
- Volume Picked
Calculated values are:
- Total Cost
- Cost Per Unit
- Mean [=average(CPU)]
- UWL [=mean+(2*stdev(CPU))]
- UAL [=mean+(3*stdev(CPU))]
I'm open to using VBA if necessary, however as I will not be the only user of this workbook when it is complete I would prefer to keep it a simple as possible.
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Jan 30, 2010
I am trying to sort a database with about 500,000 names. For some reason, about half my data has leading spaces and half do not. I have taken a screenshot at the divide so you can see what I mean. The sort in the picture is in this order:
Column D
Column C
Column A
Is there any way to mass purge these leading spaces in Column D (column b also has the issue but the fix is not nearly as important as for column D)?
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Mar 14, 2007
I have an action that deletes a row, and decrements rows counter by one. But, if the user manually deletes one row, I don't get that information (decrementation). Workbook pretection is out of the option.
What are my choices?
I was thinking, is it possible to capture a delete event in general, and add some code to it? Or maybe even completely disable it?
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Aug 17, 2009
The IF formula works if placed in a cell, but Vba doesn't seem to like the Quotation Marks in Rc11="".
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Mar 3, 2008
I seem to have a bug i can't quite figure out with my code - its causing excel to crash each time it reaches this line (when its commented out - the form runs fine - otherwise "excel has encountered an error")....
Set frameFullX = frameFull.Controls.Add("Forms.frame.1", "frameFull1")
frameFullX is declared as a control and frameFull is a frame already on the userform.
Anyone know what I might be doing wrong (I'm going to try restarting and see if was just an issue with my machine or not?
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Dec 28, 2006
My nested loop works as intended without If statements, ie it counts non blank cells in a series of 17 ranges (this loop is called the CountRangesOnEachRow loop) AND then drops down a row and repeats (this loop is called the RowNo loop). The problem is that once my first If statement occurs the RowNo loop fails and it stops at the first row.
The first If statement is designed to do the following:
1. Tests to see if A4 has data. If yes, copy cell contents (pupil's name) to Sheet(2).Range("StudentName")
2. If empty skip the countranges loop and move down a row to A5.
3. Cells A4:A35 need to be tested for data in this manner.
I've included a sample workbook & code with the IF statement comment blocked so you can see what it should do AFTER it tests the A column for data. The macro should end after row 6 as A6:A35 are all blank.
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Jul 26, 2007
I have got several different workbooks that I use that contain macros that format cells. However, just recently I have had countless problems with the macros telling Excel to format certain cells. There seems to be no logic or order to this. Also, if I then try to format the cells by hand, I get the following error message: "Too many cell formats"
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Aug 12, 2008
I have a set of userforms, two of which are big with 4 pages and many buttons, labels and textboxes that run or are involved in code being run from user input to the userform.
For some reason certain codes are cauing excel to fully crash, executing these codes will make excel crash each time and the only way to prevent it (that I have found) is to open the userform in VB editor and then close VB editor again, the code will then work perfectly for a while and then it will start crashing again (it is normally a few saves and open/closes later that this occurs).
Logically thinking, opening the userform in VB must reset something that gets corrupted or set incorrectly....
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Mar 12, 2014
A large Excel file that I have been working with for months is now giving me trouble.
When I tried to delete 2 rows, it displayed a message: "Excel cannot complete this task with avail resources. Choose less data or close other applications."
I opened a previously saved version of the file and tried deleting rows, and the same message came up.
I shut down the computer, rebooted, same problem.
Any way to determine if a file has been corrupted .... or even worse ... is there a possibility that my Excel program itself is corrupted?
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Feb 7, 2014
why my code would hit a run time error on a shared file? It works fine unshared. This is on a ActivateSheet Worksheet Event, Code is housed in a Module and called when activated.
[Code]......
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Feb 22, 2014
Have a code to clear contents on one of my worksheets and it continually causes excel to freeze and forces me to exit the program. When the button is selected it takes approx. 30-45 seconds to clear the data and then excel freezes up. The code is as follows:
Sub()
Sheets("Sheet1").Range("B2:D16000").ClearContents
End Sub
The data in the range B2:D16000 comes from another macro that copies and pastes values to this sheet. I am also working on the mac 2011 version.
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Oct 26, 2008
why this is causing an error upon opening the file. This workbook has a userform with a listbox (single list, single selection), and when I have the ControlSource property set it causes an error upon opening the userform (which opens when the file is opened), whereas if I do not have the ControlSource property set to anything, it seems to work fine.
Interestingly, if I set the file up to not open the userform with the file, and instead have the userform open when a worksheet control such as a command button is clicked, it doesn't seem to matter if the ControlSource property is set or not. The workbook in question is attached.
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Mar 23, 2012
I am pulling external data from an Access 2007 database query that uses the nz function. While linking to the query, I get an "Undefined Function nz" error. The query works perfect when run in Access.
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Apr 16, 2009
I have a workbook with many lookups, sumproducts, dynamic named ranges and cse formulas. How do I determine what is causing my workbook to be slow? Are there more efficient formula types that I can use?
Sample Formulas: ...
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