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Nested If formula?

Posted on 2013-12-17
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Last Modified: 2013-12-17
One of my colleagues needs to flag each record that has 3 or more consecutive days with a 1 in a column.  Attached simple spreadsheet demonstrates what he's trying to get.
Tricky.xlsx
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Question by:kerikeri
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Flyster earned 300 total points
ID: 39725628
In the first 2 rows, C2 and C3, use this formula:

=IF(SUM(C2:C4)>2,"OK","")

In C4, use this:

=IF(OR(SUM(B2:B4)>2,SUM(B4:B6)>2,SUM(B3:B5)>2),"OK","")

Copy this formula the rest of the way down.

Flyster
Tricky.xlsx
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Assisted Solution

by:Ingeborg Hawighorst
Ingeborg Hawighorst earned 100 total points
ID: 39725639
Hello,

are the values always 1 or can there be other numbers? This one, starting in C2 and copied down will cater for any value greater than 0:

=IF(OR(AND(D1="OK",B2>0),AND(B2>0,B3>0,B4>0)),"OK","")

cheers, teylyn
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LVL 43

Assisted Solution

by:Saqib Husain, Syed
Saqib Husain, Syed earned 100 total points
ID: 39725699
Taking teylyn's formula a step further, this formula will find any non-zero number repeated consecutively three or more.

=IF(OR(AND(D1="OK",B2>0),AND(B2>0,B3=B2,B4=B2)),"OK","")
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Author Closing Comment

by:kerikeri
ID: 39725703
Hey thanks, each of your suggestions was helpful in the final solution.  My colleague is impressed!  Thanks for your quick response, much appreciated.
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