Sum by Month


I am having an issue with summing data from another sheet.
It works fine if the data is on the same sheet.

Do you see where I have made a mistake?

thank you
pdvsaProject financeAsked:
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Roy CoxGroup Finance ManagerCommented:
Have you set the data like that or is an import? You could achieve this more efficiently by using a PivotTable if the data was arranged correctly.
pdvsaProject financeAuthor Commented:
HI Roy, I wish I could use a pivot but the original data set is not in the correct form.  What I uploaded was pieces from the original.  I would like to be able to sum per month and reference the data from the other sheet.  I would like to reference data from teh other sheet to avoid the summary sheet having too much information.
Roy CoxGroup Finance ManagerCommented:
I thought that must be the case. Is there no way to re-format the data? Maybe, just copy and pastespecial - transpose.
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pdvsaProject financeAuthor Commented:
Maybe so.  
Let me know what you think about summing the data from another sheet.

thank you
Roy CoxGroup Finance ManagerCommented:
Have you tried SUMIFS instead of SUMPRODUCT?
pdvsaProject financeAuthor Commented:
I have not...not sure how I would do that considering the data is on the other sheet.
Roy CoxGroup Finance ManagerCommented:
I've just tried and the SUMIFS works fine on the same sheet, but not with the other sheet. I'll try to find out why.
pdvsaProject financeAuthor Commented:
I just tried too and I think the range and the sum range need to be on the same sheet.  The month you are referring to (criteria) for the sum can be on the sheet with the formula.

sumif(range,criteria, [sum range])
Subodh Tiwari (Neeraj)Excel & VBA ExpertCommented:
Please try this....
On Dates Sheet,
In B17
=SUMPRODUCT(('Data TEST'!$B$1:$BJ$1<>"")*(TEXT('Data TEST'!$B$1:$BJ$1,"mmmm")=B$14)*'Data TEST'!$B$2:$BJ$2)

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and copy across.

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Roy CoxGroup Finance ManagerCommented:
This is really strange. It works perfectly when the data is arranged vertically. Note I changed the criteria to an actual date and formatted it "mmmm" on the Data Test Sheet, I prefere when working with dates to actually use real dates.
pdvsaProject financeAuthor Commented:
thank you once again.
Subodh Tiwari (Neeraj)Excel & VBA ExpertCommented:
You're welcome. Glad to help.
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