# Easy Excel - Show Variance Between two column sets

Hi Experts,

I have attached a workbook of the example I am scratching my head at.  See screenshot:

I have two columns with data in them.  I need to calculate the variance between the two sets of data.  For example, the first row would be variance of 1 since 2-1=1

Thank you for your help. Example.xlsx

Last Comment
dlmille

8/22/2022 - Mon
JP

Place this formula in I3 and then copy it down the rest of the range.

=IF(ISNA(MAX(IF(ISNA(VLOOKUP(H3,B\$3:C\$13,2,FALSE)=TRUE),0,VLOOKUP(H3,B\$3:C\$13,2,FALSE)),IF(ISNA(VLOOKUP(H3,E\$3:F\$12,2,FALSE)=TRUE),0,VLOOKUP(H3,E\$3:F\$12,2,FALSE))))=TRUE,0,MAX(IF(ISNA(VLOOKUP(H3,B\$3:C\$13,2,FALSE)=TRUE),0,VLOOKUP(H3,B\$3:C\$13,2,FALSE)),IF(ISNA(VLOOKUP(H3,E\$3:F\$12,2,FALSE)=TRUE),0,VLOOKUP(H3,E\$3:F\$12,2,FALSE)))-MIN(IF(ISNA(VLOOKUP(H3,B\$3:C\$13,2,FALSE)=TRUE),0,VLOOKUP(H3,B\$3:C\$13,2,FALSE)),IF(ISNA(VLOOKUP(H3,E\$3:F\$12,2,FALSE)=TRUE),0,VLOOKUP(H3,E\$3:F\$12,2,FALSE))))
activematx

Wow, Peetjh that is some formula!  It works great.   Hmm... could you briefly explain this to me...
Is this formula written by hand, or auto-generated within excel?
I am just trying to learn more.  Is this the best way to achieve this?  Thanks!
JP

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activematx

Peetjh is truly an asset to this community.  Wonderful work here, and good explanation.  A++++
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Patrick Matthews

That is vastly overdoing it.  This should work rather well:

In I3:

=SUMIF(B:B,H3,C:C)-SUMIF(E:E,H3,F:F)

For absolute variance:

=ABS(SUMIF(B:B,H3,C:C)-SUMIF(E:E,H3,F:F))

Copy down as needed.
JP

Thanks Patrick, as I was working on it I knew there had to be an easier way that I was overlooking.
dlmille

Following your logic of subtracting the QTY in F from QTY in C, then we can use SUMIF to find the values.  Put this in I3 and copy down:

=SUMIF(E:E,H3,F:F)-SUMIF(B:B,H3,C:C)

Of course, the ranges could be tightned, for speed, if needed - e.g., E:E would be E2:E12, etc...

see attached:

Dave
Example.xlsx
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dlmille