help with formula dealing with consecutive duplicates (very advanced problem)

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locksmith55

New Member
Joined
Mar 6, 2022
Messages
22
Office Version
  1. 365
Platform
  1. Windows
Hello,

I am trying to make a formula that can detect consecutive duplicate values in excel. Once this is detected I want it to only return the lowest value for "LOW" and highest values for "HIGH".
Any way this is possible to do with helper colums and formulas?

In the data below I have shown how I want the data to turn out.
mrexcel problem .xlsx
ABCDEFG
1DATAHOW I WANT IT TO LOOK
2VALUELOW/HIGHTIMEVALUELOW/HIGHTIME
33.46HIGH10:20 AM3.46HIGH10:20 AM
42.9LOW11:01 AM2.9LOW11:01 AM
53.08HIGH11:12 AM3.08HIGH11:12 AM
62.77LOW11:40 AM2.64LOW11:57 AM
72.64LOW11:57 AM2.98HIGH12:55 PM
82.95HIGH12:39 PM2.53LOW1:35 PM
92.98HIGH12:55 PM2.89HIGH2:04 PM
102.53LOW1:35 PM2.46LOW2:47 PM
112.62LOW2:04 PM
122.89HIGH2:04 PM
132.68LOW2:22 PM
142.46LOW2:47 PM
Sheet1
Cell Formulas
RangeFormula
E2:G5E2=A2
E6:G6E6=A7
E7:G8E7=A9
E9:G9E9=A12
E10:G10E10=A14
C3C3=TIME(10,20,0)
C4C4=TIME(11,1,0)
C5C5=TIME(11,12,0)
C6C6=TIME(11,40,0)
C7C7=TIME(11,57,0)
C8C8=TIME(12,39,0)
C9C9=TIME(12,55,0)
C10C10=TIME(13,35,0)
C11:C12C11=TIME(14,4,0)
C13C13=TIME(14,22,0)
C14C14=TIME(14,47,0)
 

Excel Facts

Format cells as date
Select range and press Ctrl+Shift+3 to format cells as date. (Shift 3 is the # sign which sort of looks like a small calendar).
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E1 is a array formula (in 2021, you don't have to add CTRL+Shift+Enter), so the cells around must be empty otherwise you get a "overloop error"

Map1
ABCDEFG
1DATAVALUELOW/HIGHtijd
2VALUELOW/HIGHtijd3.46HIGH10:20 AM
33.46HIGH10:20 AM2.9LOW11:01 AM
42.9LOW11:01 AM3.08HIGH11:12 AM
53.08HIGH11:12 AM2.64LOW11:57 AM
62.77LOW11:40 AM2.98HIGH12:55 PM
72.64LOW11:57 AM2.62LOW2:04 PM
82.95HIGH12:39 PM2.89HIGH2:04 PM
92.98HIGH12:55 PM2.46LOW2:47 PM
102.53LOW1:35 PM
112.62LOW2:04 PM
122.89HIGH2:04 PM
132.68LOW2:22 PM
142.46LOW2:47 PM
15
Blad1
Cell Formulas
RangeFormula
E1:G9E1=FILTER(A2:C14,B2:B14<>B3:B15)
C3C3=TIME(10,20,0)
C4C4=TIME(11,1,0)
C5C5=TIME(11,12,0)
C6C6=TIME(11,40,0)
C7C7=TIME(11,57,0)
C8C8=TIME(12,39,0)
C9C9=TIME(12,55,0)
C10C10=TIME(13,35,0)
C11:C12C11=TIME(14,4,0)
C13C13=TIME(14,22,0)
C14C14=TIME(14,47,0)
Dynamic array formulas.
 
Upvote 0
Solution
Why is the 2.62 in row 11 marked as a LOW? The value in row 10 is lower so should row 11 not be HIGH?

Your helper formula for column D. Paste the formula into cel D3 and copy it down.
VBA Code: 
=IF(OR(AND($B3="HIGH",$B4="HIGH"),AND($B3="LOW",$B4="LOW")),$D2,$D2+1)

And the formula for cell E3. This formula can then be dragged into the other columns and rows.
VBA Code: 
=INDEX(A:A;MATCH(ROW()-2;$D:$D;0);1)


edited to add:
Simplification:
VBA Code: 
=IF($B3=$B4,$D2,$D2+1)
 
Last edited:
Upvote 0
petertenthije said:
Why is the 2.62 in row 11 marked as a LOW? The value in row 10 is lower so should row 11 not be HIGH?

Your helper formula for column D. Paste the formula into cel D3 and copy it down.
VBA Code: 
=IF(OR(AND($B3="HIGH",$B4="HIGH"),AND($B3="LOW",$B4="LOW")),$D2,$D2+1)

And the formula for cell E3. This formula can then be dragged into the other columns and rows.
VBA Code: 
=INDEX(A:A;MATCH(ROW()-2;$D:$D;0);1)


edited to add:
Simplification:
VBA Code: 
=IF($B3=$B4,$D2,$D2+1)
Click to expand...
I am getting this error for the index function. I have office 365
fsfsdfsdfsdfsdfsd.PNG
 
Upvote 0
locksmith55 said:
I am getting this error for the index function. I have office 365
View attachment 59902
petertenthije said:
Why is the 2.62 in row 11 marked as a LOW? The value in row 10 is lower so should row 11 not be HIGH?

Your helper formula for column D. Paste the formula into cel D3 and copy it down.
VBA Code: 
=IF(OR(AND($B3="HIGH",$B4="HIGH"),AND($B3="LOW",$B4="LOW")),$D2,$D2+1)

And the formula for cell E3. This formula can then be dragged into the other columns and rows.
VBA Code: 
=INDEX(A:A;MATCH(ROW()-2;$D:$D;0);1)


edited to add:
Simplification:
VBA Code: 
=IF($B3=$B4,$D2,$D2+1)
Click to expand...
Nevermind, i'm just stupid. My excel only works with "," instead of ";". But yeah, you are correct I meant to mark 2.53 as LOW instead of 2.62. Any way to make formula work with that? Thank for help!
Click to expand...
 
Upvote 0
BSALV said:
E1 is a array formula (in 2021, you don't have to add CTRL+Shift+Enter), so the cells around must be empty otherwise you get a "overloop error"

Map1
ABCDEFG
1DATAVALUELOW/HIGHtijd
2VALUELOW/HIGHtijd3.46HIGH10:20 AM
33.46HIGH10:20 AM2.9LOW11:01 AM
42.9LOW11:01 AM3.08HIGH11:12 AM
53.08HIGH11:12 AM2.64LOW11:57 AM
62.77LOW11:40 AM2.98HIGH12:55 PM
72.64LOW11:57 AM2.62LOW2:04 PM
82.95HIGH12:39 PM2.89HIGH2:04 PM
92.98HIGH12:55 PM2.46LOW2:47 PM
102.53LOW1:35 PM
112.62LOW2:04 PM
122.89HIGH2:04 PM
132.68LOW2:22 PM
142.46LOW2:47 PM
15
Blad1
Cell Formulas
RangeFormula
E1:G9E1=FILTER(A2:C14,B2:B14<>B3:B15)
C3C3=TIME(10,20,0)
C4C4=TIME(11,1,0)
C5C5=TIME(11,12,0)
C6C6=TIME(11,40,0)
C7C7=TIME(11,57,0)
C8C8=TIME(12,39,0)
C9C9=TIME(12,55,0)
C10C10=TIME(13,35,0)
C11:C12C11=TIME(14,4,0)
C13C13=TIME(14,22,0)
C14C14=TIME(14,47,0)
Dynamic array formulas.
Click to expand...
Does this work if I want 2.53 as LOW instead of 2.62? I mistyped in my post..
 
Upvote 0
perhaps this is better, bit it'll not be an answer to your bigger question to find the ultimate top or bottom in a longer range. I think you need VBA with adjustable parameters to do so, but i can't remember why that wasn't allowed, was it a Mac ?
Map1
ABCDEFG
1DATA33,460
2VALUELOW/HIGHtijd-42,900
33,46HIGH10:20 AM53,080
42,9LOW11:01 AM-62,640
53,08HIGH11:12 AM82,980
62,77LOW11:40 AM-102,530
72,64LOW11:57 AM122,890
82,95HIGH12:39 PM-13#VERW!
92,98HIGH12:55 PM-15-
102,53LOW1:35 PM
112,62LOW2:04 PM
122,89HIGH2:04 PM
132,68LOW2:22 PM
142,46LOW2:47 PM
Blad1
Cell Formulas
RangeFormula
E1:E9E1=FILTER(IF(B3:B20<>B2:B19,IF(B3:B20="high",1,-1)*ROW(B3:B20),"~"),ISNUMBER(IF(B3:B20<>B2:B19,IF(B3:B20="high",1,-1)*ROW(B3:B20),"~")))
F1:F9F1=IF(COUNT(E1:E2)=2,IF(E1>0,MAX(OFFSET($A$1,E1-1,,-(E2-E1),)),MIN(OFFSET($A$1,-E1-1,,(E2+E1),))),"-")
C3C3=TIME(10,20,0)
C4C4=TIME(11,1,0)
C5C5=TIME(11,12,0)
C6C6=TIME(11,40,0)
C7C7=TIME(11,57,0)
C8C8=TIME(12,39,0)
C9C9=TIME(12,55,0)
C10C10=TIME(13,35,0)
C11:C12C11=TIME(14,4,0)
C13C13=TIME(14,22,0)
C14C14=TIME(14,47,0)
Dynamic array formulas.
 
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