Identifying all same duplicate ID's which also have one special identifier in only one row in another column

Straycat1

New Member
Joined
Feb 21, 2018
Messages
3
I am trying to achieve the following through formula for a largish worksheet (100,000 rows) (Excel 2010), to identify 'Special' process against all rows which have both duplicate Job ID's and one 'Special' process included:

[TABLE="class: grid, width: 500"]
<tbody>[TR]
[TD]Job ID[/TD]
[TD]Process[/TD]
[TD]Associated Special Process?[/TD]
[/TR]
[TR]
[TD]45001[/TD]
[TD]Process 9[/TD]
[TD]TRUE[/TD]
[/TR]
[TR]
[TD]45001[/TD]
[TD]Process 3[/TD]
[TD]TRUE[/TD]
[/TR]
[TR]
[TD]45001[/TD]
[TD]Process 8[/TD]
[TD]TRUE[/TD]
[/TR]
[TR]
[TD]45001[/TD]
[TD]Special[/TD]
[TD]TRUE[/TD]
[/TR]
[TR]
[TD]45822[/TD]
[TD]Process 5[/TD]
[TD]FALSE[/TD]
[/TR]
[TR]
[TD]46204[/TD]
[TD]Process 5[/TD]
[TD]FALSE[/TD]
[/TR]
[TR]
[TD]46204[/TD]
[TD]Process 6[/TD]
[TD]FALSE[/TD]
[/TR]
[TR]
[TD]46319[/TD]
[TD]Process 3[/TD]
[TD]TRUE[/TD]
[/TR]
[TR]
[TD]46319[/TD]
[TD]Special[/TD]
[TD]TRUE[/TD]
[/TR]
</tbody>[/TABLE]

I have been trying to use a combination of COUNTIF, MATCH and INDEX without any success, such as the following:

=(AND(COUNTIF(A:A,A2)>1,SUMPRODUCT(COUNTIF(B:B,"Special"))) which does not work, of course, but I don't know how to reference only the duplicate ID row's within this. Can anyone help?
 

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Somehide hide payroll data in column G? Press F5. Type G1. Enter. Look in formula bar while you arrow down through G.
What would your output be?

45001
46319

Because those IDs have a Process named Special AND other rows that arent Special ?
Do we want IDs if there is only a Special row, ie no other non Special rows ?
What happens if a row has more than one Special ? Do we want that ID ?
 
Last edited:
Upvote 0
Hi Special K-99,
Thank you for your response. Eric's solution works perfectly for what I need. To show that all rows of a duplicate ID's where one row has a Special process (there is never more than one Special for a single ID#) can be identified as associated with Special process. I can then pivot to show which processes also have a Special associated with them. Best regards, Straycat1
 
Upvote 0

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