Sum adjacent cells based on criteria

S

spoony40

New Member
Joined
Feb 27, 2015
Messages
17
Hi, I need some help with a sum formula that adds a range based on a criteria.

The criteria is the cell value "Mar-18" which changes.

When its "Mar-18", it will sum the values for "Apple" for the month of "Jan-18", "Feb-18" and "Mar-18" which results in "9".

The "Next Qtr" value is the sum of the next 3 months ie. "Apr-18", "May-18" and "June-18" which results in "18".

Anyone knows how to do write these 2 formulas?

Thanks


[TABLE="class: grid, width: 500"]
<tbody>[TR]
[TD]Type[/TD]
[TD]Mar-18[/TD]
[TD] Next Qtr[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]Jan-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]Feb-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]Mar-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]Apr-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]May-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]Jun-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]Jul-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]Aug-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[/TR]
[TR]
[TD]Apple[/TD]
[TD="align: center"]9[/TD]
[TD="align: center"]18[/TD]
[TD="align: center"]2[/TD]
[TD="align: center"]3[/TD]
[TD="align: center"]4[/TD]
[TD="align: center"]5[/TD]
[TD="align: center"]6[/TD]
[TD="align: center"]7[/TD]
[TD="align: center"]8[/TD]
[TD="align: center"]9[/TD]
[/TR]
[TR]
[TD]Orange[/TD]
[TD="align: center"]6[/TD]
[TD="align: center"]27[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]3[/TD]
[TD="align: center"]2[/TD]
[TD="align: center"]7[/TD]
[TD="align: center"]9[/TD]
[TD="align: center"]11[/TD]
[TD="align: center"]13[/TD]
[TD="align: center"]15[/TD]
[/TR]
</tbody>[/TABLE]


[TABLE="class: grid, width: 500"]
<tbody>[TR]
[TD]Type[/TD]
[TD]Apr-18[/TD]
[TD] Next Qtr[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]Jan-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]Feb-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]Mar-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]Apr-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]May-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]Jun-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]Jul-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[TD][TABLE="width: 64"]
<tbody>[TR]
[TD="class: xl65, width: 64, align: right"]Aug-18[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[/TR]
[TR]
[TD]Apple[/TD]
[TD="align: center"]12[/TD]
[TD="align: center"]21[/TD]
[TD="align: center"]2[/TD]
[TD="align: center"]3[/TD]
[TD="align: center"]4[/TD]
[TD="align: center"]5[/TD]
[TD="align: center"]6[/TD]
[TD="align: center"]7[/TD]
[TD="align: center"]8[/TD]
[TD="align: center"]9[/TD]
[/TR]
[TR]
[TD]Orange[/TD]
[TD="align: center"]12[/TD]
[TD="align: center"]38[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]3[/TD]
[TD="align: center"]2[/TD]
[TD="align: center"]7[/TD]
[TD="align: center"]9[/TD]
[TD="align: center"]11[/TD]
[TD="align: center"]13[/TD]
[TD="align: center"]15

[/TD]
[/TR]
</tbody>[/TABLE]
 

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To make it abit clearer, i need the formula to calculate the sum of months jan/feb/mar, the "9" total, given the criteria "Mar-18". Also the formula to calculate the sum of apr/may/jun-18 given mar-18.
 
Upvote 0
Hi,

If I understand correctly, this will do what you want, although I think your Orange sum for Apr-18 is incorrect in your sample (instead of 38, should be 33):


Book1
ABCDEFGHIJK
1TypeApr-18Next QtrJan-18Feb-18Mar-18Apr-18May-18Jun-18Jul-18Aug-18
2Apple122123456789
3Orange123313279111315
Sheet7
Cell Formulas
RangeFormula
B2=SUMPRODUCT((MONTH(D$1:K$1)<=MONTH(B$1))*(MONTH(D$1:K$1)>MONTH(B$1)-3)*D2:K2)
C2=SUMPRODUCT((MONTH(D$1:K$1)>MONTH(B$1))*(MONTH(D$1:K$1)<=MONTH(B$1)+3)*D2:K2)


Formulas copied down.
 
Upvote 0
spoony40 said:
Thanks, it works
Click to expand...

spoony40 said:
Actually, when the months cross over to the next year, it doesn't work. eg

Dec-18, jan-19, feb-19
Click to expand...

You're welcome, I actually overcomplicated the formula that didn't account for crossing over the next year, use this updated formula, should work fine:


Book1
ABCDEFGHIJKLMNOPQ
1TypeNov-18Next QtrJan-18Feb-18Mar-18Apr-18May-18Jun-18Jul-18Aug-18Sep-18Oct-18Nov-18Dec-18Jan-19Feb-19
2Apple122123456789345678
3Orange152413279111315456789
Sheet7
Cell Formulas
RangeFormula
B2=SUMPRODUCT((D$1:Q$1<=B$1)*(D$1:Q$1>EOMONTH(B$1,-3))*D2:Q2)
C2=SUMPRODUCT((D$1:Q$1>B$1)*(D$1:Q$1<=EOMONTH(B$1,3))*D2:Q2)
 
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