Sum the max of consecutive numbers

V

voltrader

Board Regular
Joined
Dec 17, 2009
Messages
58
Office Version
  1. 2010
Platform
  1. Windows
Hi All I am trying to Sum the Max of consecutive numbers for cells greater equal than 2, for instance


[TABLE="width: 500"]
<tbody>[TR]
[TD]A[/TD]
[TD]B[/TD]
[TD]C[/TD]
[TD]D[/TD]
[TD]Consecutive Sum Max[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]0[/TD]
[TD]2[/TD]
[TD]2[/TD]
[TD]3[/TD]
[TD]7[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]1[/TD]
[TD]1[/TD]
[TD]1[/TD]
[TD]1[/TD]
[TD]0[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]3[/TD]
[TD]2[/TD]
[TD]1[/TD]
[TD]1[/TD]
[TD]5[/TD]
[TD][/TD]
[/TR]
</tbody>[/TABLE]

Thanks!
 

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Is there always going to be 4 columns? What answer would you want if the values are: 3 2 1 7?
 
Upvote 0
assuming there are no negative values

Code: 
=SUM(A2:D2)-COUNTIF(A2:D2,1)
 
Upvote 0
[TABLE="class: grid"]
<tbody>[TR]
[TD][/TD]
[TD]
a​
[/TD]
[TD]
b​
[/TD]
[TD]
c​
[/TD]
[TD]
d​
[/TD]
[TD]
e​
[/TD]
[/TR]
[TR]
[TD]
1​
[/TD]
[TD]
0​
[/TD]
[TD]
2​
[/TD]
[TD]
2​
[/TD]
[TD]
3​
[/TD]
[TD]
7​
[/TD]
[/TR]
[TR]
[TD]
2​
[/TD]
[TD]
1​
[/TD]
[TD]
1​
[/TD]
[TD]
1​
[/TD]
[TD]
1​
[/TD]
[TD]
0​
[/TD]
[/TR]
[TR]
[TD]
3​
[/TD]
[TD]
3​
[/TD]
[TD]
2​
[/TD]
[TD]
1​
[/TD]
[TD]
1​
[/TD]
[TD]
5​
[/TD]
[/TR]
</tbody>[/TABLE]





E1=SUMIF(A1:D1,">=2") copy down
 
Upvote 0
Eric W said:
Is there always going to be 4 columns? What answer would you want if the values are: 3 2 1 7?
Click to expand...

Hi Eric, there can be more than 4 columns. if
[TABLE="width: 500"]
<tbody>[TR]
[TD]3[/TD]
[TD]2[/TD]
[TD]1[/TD]
[TD]7[/TD]
[TD]7[/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
</tbody>[/TABLE]
I would like to see 7 as the result. it is the max.

Thanks!
 
Upvote 0
Thanks for the reply, this seems to work but it doesn't adjust for non consecutive cells. for instance it sums all the cells greater than 2. If there is a non successive cell I need the number to reset, and for the final result to be the greatest of the successive values.
 
Upvote 0
Quite a challenge! I gotta think there's an easier way, but this is what I came up with:

ABCDEFGH
ABCDConsecutive Sum Max

<tbody>
[TD="align: center"]1[/TD]

[TD="align: right"][/TD]

[TD="align: right"][/TD]
[TD="align: right"][/TD]

[TD="align: center"]2[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]3[/TD]
[TD="align: right"][/TD]
[TD="align: right"]7[/TD]
[TD="align: right"][/TD]
[TD="align: right"]7[/TD]

[TD="align: center"]3[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"][/TD]
[TD="align: right"]0[/TD]
[TD="align: right"][/TD]
[TD="align: right"]0[/TD]

[TD="align: center"]4[/TD]
[TD="align: right"]3[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"][/TD]
[TD="align: right"]5[/TD]
[TD="align: right"][/TD]
[TD="align: right"]5[/TD]

[TD="align: center"]5[/TD]
[TD="align: right"]3[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]7[/TD]
[TD="align: right"][/TD]
[TD="align: right"]7[/TD]
[TD="align: right"][/TD]
[TD="align: right"]7[/TD]

</tbody>
Sheet8​

[TABLE="width: 85%"]
<tbody>[TR]
[TD]Worksheet Formulas[TABLE="width: 100%"]
<tbody>[TR]
[TH]Cell[/TH]
[TH="align: left"]Formula[/TH]
[/TR]
[TR]
[TH]H2[/TH]
[TD="align: left"]=maxconsecutive(A2:D2)[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[/TR]
</tbody>[/TABLE]

[TABLE="width: 85%"]
<tbody>[TR]
[TD]Array Formulas[TABLE="width: 100%"]
<tbody>[TR]
[TH]Cell[/TH]
[TH="align: left"]Formula[/TH]
[/TR]
[TR]
[TH]F2[/TH]
[TD="align: left"]{=AGGREGATE(14,6,SUBTOTAL(9,OFFSET(A2,0,SMALL(IF(COLUMN(A2:D2)=COLUMN(A2),0,IF(A2:D2>2,IF(SUBTOTAL(9,OFFSET(A2,0,COLUMN(A2:D2)-COLUMN(A2)-1))<2,COLUMN(A2:D2)-COLUMN(A2)))),COLUMN(A2:D2)-COLUMN(A2)+1),1,IF(COUNTIF(B2:D2,">=2")+1=COLUMNS(A2:D2),COLUMNS(A2:D2),TRANSPOSE(FREQUENCY(IF((A2:D2>=2)+(COLUMN(A2:D2)=COLUMN(A2)),COLUMN(A2:D2)),IF((A2:D2<2)*(COLUMN(A2:D2)<>COLUMN(A2)),COLUMN(A2:D2)))))))-IF((COLUMN(A2:D2)=COLUMN(A2))*(A2:D2<2),A2:D2,0),1)}[/TD]
[/TR]
</tbody>[/TABLE]
Entered with Ctrl+Shift+Enter. If entered correctly, Excel will surround with curly braces {}.
Note: Do not try and enter the {} manually yourself[/TD]
[/TR]
</tbody>[/TABLE]



The formula in F2 is an array formula, confirm with Control+Shift+Enter. It should be adaptable to wider ranges, just change the ranges in the formula. Be careful though, the range in the COUNTIF starts at the second column.

What is probably a better idea is to use a User-Defined Function (UDF). The formula probably took me a couple hours to derive, the UDF about 3 minutes. To install it, open a copy of your workbook. Press Alt-F11 to open the VBA editor. From the menu, select Insert > Module. On the sheet that opens, paste this code:

Code: 
Public Function MaxConsecutive(ByVal target As Range)
Dim c As Range, CurMax As Double

    For Each c In target
        If c.Value < 2 Then
            MaxConsecutive = WorksheetFunction.Max(CurMax, MaxConsecutive)
            CurMax = 0
        Else
            CurMax = CurMax + c.Value
        End If
    Next c
    MaxConsecutive = WorksheetFunction.Max(CurMax, MaxConsecutive)
    
End Function
Press Alt-Q to close the editor. Now just enter the formula in H2. Much simpler!

Hope this helps.
 
Last edited:
Upvote 0
I tried the UDF it works great! I will stick with the UDF it seems a lot cleaner.

Thanks alot!

Eric W said:
Quite a challenge! I gotta think there's an easier way, but this is what I came up with:

ABCDEFGH
ABCDConsecutive Sum Max

<tbody>
[TD="align: center"]1[/TD]

[TD="align: right"][/TD]

[TD="align: right"][/TD]
[TD="align: right"][/TD]

[TD="align: center"]2[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]3[/TD]
[TD="align: right"][/TD]
[TD="align: right"]7[/TD]
[TD="align: right"][/TD]
[TD="align: right"]7[/TD]

[TD="align: center"]3[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"][/TD]
[TD="align: right"]0[/TD]
[TD="align: right"][/TD]
[TD="align: right"]0[/TD]

[TD="align: center"]4[/TD]
[TD="align: right"]3[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"][/TD]
[TD="align: right"]5[/TD]
[TD="align: right"][/TD]
[TD="align: right"]5[/TD]

[TD="align: center"]5[/TD]
[TD="align: right"]3[/TD]
[TD="align: right"]2[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]7[/TD]
[TD="align: right"][/TD]
[TD="align: right"]7[/TD]
[TD="align: right"][/TD]
[TD="align: right"]7[/TD]

</tbody>
Sheet8​

[TABLE="width: 85%"]
<tbody>[TR]
[TD]Worksheet Formulas[TABLE="width: 100%"]
<tbody>[TR]
[TH]Cell[/TH]
[TH="align: left"]Formula[/TH]
[/TR]
[TR]
[TH]H2[/TH]
[TD="align: left"]=maxconsecutive(A2:D2)[/TD]
[/TR]
</tbody>[/TABLE]
[/TD]
[/TR]
</tbody>[/TABLE]

[TABLE="width: 85%"]
<tbody>[TR]
[TD]Array Formulas[TABLE="width: 100%"]
<tbody>[TR]
[TH]Cell[/TH]
[TH="align: left"]Formula[/TH]
[/TR]
[TR]
[TH]F2[/TH]
[TD="align: left"]{=AGGREGATE(14,6,SUBTOTAL(9,OFFSET(A2,0,SMALL(IF(COLUMN(A2:D2)=COLUMN(A2),0,IF(A2:D2>2,IF(SUBTOTAL(9,OFFSET(A2,0,COLUMN(A2:D2)-COLUMN(A2)-1))<2,COLUMN(A2:D2)-COLUMN(A2)))),COLUMN(A2:D2)-COLUMN(A2)+1),1,IF(COUNTIF(B2:D2,">=2")+1=COLUMNS(A2:D2),COLUMNS(A2:D2),TRANSPOSE(FREQUENCY(IF((A2:D2>=2)+(COLUMN(A2:D2)=COLUMN(A2)),COLUMN(A2:D2)),IF((A2:D2<2)*(COLUMN(A2:D2)<>COLUMN(A2)),COLUMN(A2:D2)))))))-IF((COLUMN(A2:D2)=COLUMN(A2))*(A2:D2<2),A2:D2,0),1)}[/TD]
[/TR]
</tbody>[/TABLE]
Entered with Ctrl+Shift+Enter. If entered correctly, Excel will surround with curly braces {}.
Note: Do not try and enter the {} manually yourself[/TD]
[/TR]
</tbody>[/TABLE]



The formula in F2 is an array formula, confirm with Control+Shift+Enter. It should be adaptable to wider ranges, just change the ranges in the formula. Be careful though, the range in the COUNTIF starts at the second column.

What is probably a better idea is to use a User-Defined Function (UDF). The formula probably took me a couple hours to derive, the UDF about 3 minutes. To install it, open a copy of your workbook. Press Alt-F11 to open the VBA editor. From the menu, select Insert > Module. On the sheet that opens, paste this code:

Code: 
Public Function MaxConsecutive(ByVal target As Range)
Dim c As Range, CurMax As Double

    For Each c In target
        If c.Value < 2 Then
            MaxConsecutive = WorksheetFunction.Max(CurMax, MaxConsecutive)
            CurMax = 0
        Else
            CurMax = CurMax + c.Value
        End If
    Next c
    MaxConsecutive = WorksheetFunction.Max(CurMax, MaxConsecutive)
    
End Function
Press Alt-Q to close the editor. Now just enter the formula in H2. Much simpler!

Hope this helps.
Click to expand...
 
Upvote 0
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