Duplicate Entries For Single Data Points Sets

Mar 6, 2007

I am using old macro code in excel written several years ago. I am trying to educate myself to update and improve the macros I am using but not making much progress. This macro is used to record data from a DDE link to a Data Acquisition System. The D-AQ system sends the data points to r5c3:r5c9 typically. The macro then records the data points in those cells to the next row in sequence on a specific time interval. However, the macro is recording duplicate entries for each set of data points. Sometimes just two, but has been as many as four duplicates. I have a remove duplicates macro to run, after the fact, but preventing them from occurring in the first place is the goal. I included the application.wait method at 10 second intervals after the application .OnTime method, but it isn't preventing the duplicates.

Dim delta_time As Date
Dim Count As Integer
Dim n_rows As Integer
Dim start_row As Integer
Dim col_mov As Integer

Sub initialize_button_set()
start_row = 7
Count = 0
n_rows = Worksheets("sheet1").Cells(1, 2).Value
delta_time = Worksheets("sheet1").Cells(2, 2).Value
Application.OnTime Now + delta_time, "get_data"
Rem Worksheets("sheet1").Buttons.Add 275, 0, 72, 36
Worksheets("sheet1").Buttons.Caption = "STOP"
Worksheets("sheet1").Buttons.OnAction = "Halt"
End Sub...........................

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SUMIF For Duplicate Data Points?

Oct 25, 2013

I was creating a sales report: See below

Sales for Shook, Emily(131520) Total Sales $160.18
Sales for Clayton, Casandra(131008) Total Sales NO SALES FOR THE WEEK
Sales for Jofery, Rebecca(126310) Total SalesNO SALES FOR THE WEEK
Sales for Brea, Olga(124257) Total Sales$140.21
Sales for Mastro, Rachel(131521) Total SalesNO SALES FOR THE WEEK
Sales for Rodriguez, Blanca(111550) Total Sales $154.33
Sales for Katz, Mary Isabel(126840) Total Sales$269.87
Sales for Kitson, Mackenzie(130466) Total SalesNO SALES FOR THE WEEK
Sales for Blagniceanu, Adriana(126518) Total Sales$161.25
Sales for Best, Jessica(128350) Total SalesNO SALES FOR THE WEEK
Sales for Sanchez, Vanessa(126437) Total SalesNO SALES FOR THE WEEK

The Sales For (Last Name, First Name) was a concatenate I created to give everyone a unique identifier. Than I used a vlookup based on the the sales report to get there total sales

=IFERROR(VLOOKUP(D7,sales2,5,FALSE),"NO SALES FOR THE WEEK")

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I have attached a before and after image of what I am looking to accomplish.

In the before image, you can see that there are 3 rows of data

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In the after image, you can see that I took the 3 rows of data and turned it into simply two rows of data

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By the way, if we have to dump all of this onto a new sheet, then so be it.

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code .....

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excel.jpg

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Jun 13, 2008

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http://www.theexceladdict.com/_t/t040818.htm

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=COUNTIF($A$1:$D$100,A1)=1
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I will try my best to explain how my spreadsheet is set up as unfortunately I am at work and I can not use the method to show you the spreadsheet.

My spreadsheet:
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Option Compare Text 'A=a, B=b, ... Z=z
Option Explicit

Private Sub Worksheet_Change(ByVal Target As Range)

Dim Cell As Range
Dim Rng1 As Range

On Error Resume Next
Set Rng1 = ActiveSheet.Cells.SpecialCells(xlCellTypeFormulas, 1)
On Error GoTo 0
If Rng1 Is Nothing Then
Set Rng1 = Range(Target.Address).........................

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