Filter duplicate records
In this article I will demonstrate a technique to filter duplicate records. The picture below shows you a data set in columns B to E. Next step is to create an Excel defined table.
Click a cell in the table, go to tab "Insert" on the ribbon. Click "Insert Table" button. The following dialog box appears.
Click OK button.
Type Duplicate in cell F2 and then use the following formula in cell F3:
How the formula works in cell F13
Step 1 - Understand how relative and absolute cell references work
The formula uses absolute and relative cell references. In cell G3 the formula is:
=COUNTIFS($B$3:B3, B3, $C$3:C3, C3, $D$3:D3, D3, $E$3:E3, E3)>1
In cell G13 the formula has changed to:
=COUNTIFS($B$3:B13, B13, $C$3:C13, C13, $D$3:D13, D13, $E$3:E13, E13)>1
The cell ranges expand as the formula is copied to cells below. This lets you count the current record in above records.
How to use absolute and relative references
What is a reference in Excel? Excel has an A1 reference style meaning columns are named letters A to XFD [โฆ]
How to use absolute and relative references
Step 2 - Find duplicates
COUNTIFS($B$3:B13, B13, $C$3:C13, C13, $D$3:D13, D13, $E$3:E13, E13)>1
becomes
COUNTIFS({"Sample0"; "Sample0"; "Sample1"; "Sample0"; "Sample0"; "Sample1"; "Sample1"; "Sample0"; "Sample1"; "Sample1"; "Sample1"}, B13, {"B"; "B"; "A"; "A"; "B"; "B"; "B"; "A"; "A"; "A"; "A"}, C13, {11; 11; 11; 10; 10; 10; 11; 11; 10; 11; 11}, D13, {"AA111";"AA110";"AA111";"AA111";"AA110";"AA111";"AA111";"AA110";"AA110";"AA110";"AA111"}, E13)>1
becomes
=IF(COUNTIFS({"Sample0"; "Sample0"; "Sample1"; "Sample0"; "Sample0"; "Sample1"; "Sample1"; "Sample0"; "Sample1"; "Sample1"; "Sample1"}, "Sample1", {"B"; "B"; "A"; "A"; "B"; "B"; "B"; "A"; "A"; "A"; "A"}, "A", {11; 11; 11; 10; 10; 10; 11; 11; 10; 11; 11}, 11, {"AA111";"AA110";"AA111";"AA111";"AA110";"AA111";"AA111";"AA110";"AA110";"AA110";"AA111"}, "AA111")>1, "Duplicate", "")
becomes
=2>1
and returns TRUE in cell G13
How to use the COUNTIFS function
Checks multiple conditions against the same number of cell ranges and counts how many times all criteria are met.
How to use the COUNTIFS function
Filter records based on formula
- Click on black arrow on cell F2
-
Enable only value TRUE
- Click OK button
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3 Responses to โFilter duplicate recordsโ
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How do I get the sheet names in a file to becomes the row description in a summary file.
Thxs
Shaz,
Here is an user defined function:
VBA code:
Where to put the code
Press Alt-F11 to open visual basic editor
Click Module on the Insert menu
Copy and paste the code above
Exit visual basic editor
How to use user defined function
Example,
Select cell A1
Type =List_sheets() in formula bar and then press CTRL + SHIFT + ENTER
Copy cell A1 and paste it to the right
Its working...! really good solution
Thanks,
Sangam R