Formula to count how many adjacent cells have value that precede specified cell

L

lisburl

New Member
Joined
Apr 7, 2018
Messages
8
Good afternoon!

I need help with a formula that will give me the total the number of cells in a row that contain a value that are adjacent to a target cell (H).

For example: Column H would total the following
<style type="text/css"><!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--></style>[TABLE="width: 0"]
<colgroup><col style="width: 100px"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"><col width="100"></colgroup><tbody>[TR]
[TD="align: center"]B[/TD]
[TD="align: center"]C[/TD]
[TD="align: center"]D[/TD]
[TD="align: center"]E[/TD]
[TD="align: center"]F[/TD]
[TD="align: center"]G[/TD]
[TD="bgcolor: #fff2cc"]H TOTAL[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD]1[/TD]
[/TR]
[TR]
[TD="align: center"]1[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="bgcolor: #fff2cc"]1[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="bgcolor: #fff2cc"]1[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="bgcolor: #fff2cc"]1[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="bgcolor: #fff2cc"]0[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]1[/TD]
[TD="bgcolor: #fff2cc"]2[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="bgcolor: #fff2cc"]1[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="bgcolor: #fff2cc"]1[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]1[/TD]
[TD="bgcolor: #fff2cc"]3[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="bgcolor: #fff2cc"]0[/TD]
[/TR]
</tbody>[/TABLE]


Thank you for any help.
 
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lisburl said:
Oops! Yes - you are correct. This is why I need a formula!! When I try to do this manually I make mistakes :)

[TABLE="class: cms_table, width: 0"]
<tbody>[TR]
[TD="align: center"]B[/TD]
[TD="align: center"]C[/TD]
[TD="align: center"]D[/TD]
[TD="align: center"]E[/TD]
[TD="align: center"]F[/TD]
[TD="align: center"]G[/TD]
[TD="bgcolor: #FFF2CC"]H TOTAL[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD]1[/TD]
[/TR]
[TR]
[TD="align: center"]1[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="bgcolor: #FFF2CC"]1[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="bgcolor: #FFF2CC"]1[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="bgcolor: #FFF2CC"]0[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="bgcolor: #FFF2CC"]0[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]1[/TD]
[TD="bgcolor: #FFF2CC"]2[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="bgcolor: #FFF2CC"]1[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="bgcolor: #FFF2CC"]1[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]1[/TD]
[TD="bgcolor: #FFF2CC"]3[/TD]
[/TR]
[TR]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="bgcolor: #FFF2CC"]0[/TD]
[/TR]
</tbody>[/TABLE]
Click to expand...

Maybe the formula below in H2 and copy down can helps:

=COLUMNS(B2:G2)-MATCH(2,INDEX(1/(B2:G2=0),),1)

Or

​
=COLUMNS(B2:G2)-MATCH(2,INDEX(1/(B2:G2=0),))

​
[TABLE="class: grid, width: 462"]
<tbody>[TR]
[TD][/TD]
[TD]A[/TD]
[TD]B[/TD]
[TD]C[/TD]
[TD]D[/TD]
[TD]E[/TD]
[TD]F[/TD]
[TD]G[/TD]
[TD]H[/TD]
[TD]I[/TD]
[/TR]
[TR]
[TD]1[/TD]
[TD][/TD]
[TD]Data01[/TD]
[TD]Data02[/TD]
[TD]Data03[/TD]
[TD]Data04[/TD]
[TD]Data05[/TD]
[TD]Data06[/TD]
[TD]Result[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]2[/TD]
[TD][/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]3[/TD]
[TD][/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]4[/TD]
[TD][/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]5[/TD]
[TD][/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]6[/TD]
[TD][/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]7[/TD]
[TD][/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]2[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]8[/TD]
[TD][/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]9[/TD]
[TD][/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]10[/TD]
[TD][/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]3[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]11[/TD]
[TD][/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD="align: right"]0[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]12[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]***[/TD]
[TD]**[/TD]
[TD]*******[/TD]
[TD]*******[/TD]
[TD]*******[/TD]
[TD]*******[/TD]
[TD]*******[/TD]
[TD]*******[/TD]
[TD]*******[/TD]
[TD]**[/TD]
[/TR]
</tbody>[/TABLE]


By the way, Rick's formula works for me.

Markmzz
 
Last edited:
Upvote 0

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markmzz said:
Maybe the formula below in H2 and copy down can helps:

=COLUMNS(B2:G2)-MATCH(2,INDEX(1/(B2:G2=0),),1)

Or

=COLUMNS(B2:G2)-MATCH(2,INDEX(1/(B2:G2=0),))
​
Click to expand...
​
You will need to put an IFERROR trap on your formulas like I did on mine in order to handle the case when all of the cells have 1's in them.
 
Upvote 0
Ricks formula works for me


Mark and Rick your formulas are playing with my head a bit

I understand how INDEX(1/(B2:G2=0),) is evaluating to {1,#Div/0,1,#Div/0,#Div/0,#Div/0} (or some varation of)
Is the match(2,{1,#Div/0,1,#Div/0,#Div/0,#Div/0}) part looking for 2 but can't find it so it returns the position
of the last valid number it located?

I might be cheating but here is what I would do if it crossed my desk

Public Function NearestRunones(ByVal rngRun As Range)
Dim strRange As String
Dim Cell As Range
For Each Cell In rngRun
strRange = strRange & Cell.Value2
Next Cell
strRange = StrReverse(strRange)
If InStr(strRange, 0) > 0 Then
NearestRunones = InStr(strRange, 0) - 1
Else
NearestRunones = 0
End If

End Function
 
Upvote 0
immdav said:
Ricks formula works for me


Mark and Rick your formulas are playing with my head a bit

I understand how INDEX(1/(B2:G2=0),) is evaluating to {1,#Div/0,1,#Div/0,#Div/0,#Div/0} (or some varation of)
Is the match(2,{1,#Div/0,1,#Div/0,#Div/0,#Div/0}) part looking for 2 but can't find it so it returns the position
of the last valid number it located?

I might be cheating but here is what I would do if it crossed my desk

Public Function NearestRunones(ByVal rngRun As Range)
Dim strRange As String
Dim Cell As Range
For Each Cell In rngRun
strRange = strRange & Cell.Value2
Next Cell
strRange = StrReverse(strRange)
If InStr(strRange, 0) > 0 Then
NearestRunones = InStr(strRange, 0) - 1
Else
NearestRunones = 0
End If
End Function
Click to expand...
Your function incorrectly reports 0 if all the cells are filled with 1's.

If we assume the range is alway a single row horizontal range (as in the OP's case), your function can be rewritten as a one-liner...
Code: 
[table="width: 500"]
[tr]
	[td]Function NearestRunones(ByVal rngRun As Range) As Long
  NearestRunones = Len(Split(StrReverse(Join(Application.Index(rngRun.Value, 1, 0), "")), 0)(0))
End Function[/td]
[/tr]
[/table]
 
Upvote 0
immdav said:
Mark and Rick your formulas are playing with my head a bit

I understand how INDEX(1/(B2:G2=0),) is evaluating to {1,#Div/0,1,#Div/0,#Div/0,#Div/0} (or some varation of)
Is the match(2,{1,#Div/0,1,#Div/0,#Div/0,#Div/0}) part looking for 2 but can't find it so it returns the position
of the last valid number it located?
Click to expand...

Hi Immdav!

Yes, you're right. The match(2,{1,#Div/0,1,#Div/0,#Div/0,#Div/0}) part is looking by a largest value that is less than or equal to 2 but it can't find it.
So it returns the position of the last value (errors are ignoreted) that is less than 2 (the last 1).

I hope that this helps.

Markmzz
 
Upvote 0
Markmzz,

Thanks for the explanation.

Rick,

cleaver use of the index and split function. Anything to avoid a loop....

David
 
Upvote 0
immdav said:
Rick,

cleaver use of the index and split function. Anything to avoid a loop....
Click to expand...
It was more my penchant for compact code and one-liners (and it is so much better when the two combine) than it was to avoid a loop. :diablo:
 
Last edited:
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