CountA with a Dynamic Range

Swytek

New Member
Joined
Aug 26, 2019
Messages
2
I am trying to determine the number of active months for personnel on a rolling 12 month basis. This is the formula I'm currently using but am getting an incorrect result value. I'm new to offset so I know I must be missing something simple.

=COUNTA(OFFSET(D2,0,COUNTA(D2:AA2),1,-12))
 

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You're going to need to supply an example of what you are trying to do.

If you are short by 1 value it's because your offset is starting in Column AB. Try this =COUNTA(OFFSET(D2,0,COUNTA(D2:AA2)-1,1,-12))

If that solves the problem great, if not I'll need to see some sample data to understand what you're trying to do.

Another tip: create the formula the way you know it will be right. Just do a CountA over the range you want, then duplicate it using the more complex formula. That way you can catch the "simple" errors in formulas you think you know like the back of you hand.
 
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