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Loading / identifing a ranges of rows
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Mark Mahoney

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Member Since:
April 30, 2021
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April 30, 2021 - 4:54 am
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I have data that I want to ensure that specific ranges of rows remain in the dataset.

In the example below. I want to keep 4 rows below item c in col1. For every entry of 'c'.

Col 3 shows for example purposes the rows that I want to remain.

I cannot for the life of me find a way of doing it.

Col 1 Col 2 Col 3
a 1  
b 2  
c 3 x
x 4 x
y 5 x
fff 6 x
g 7  
h 8  
i 9  
j 10  
k 11  
l 12  
c 13 x
d 14 x
e 15 x
f 16 x
g 17  
r 18  
s 19  
c 20 x
cd 21 x
er 22 x
ff 23 x
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Mynda Treacy
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April 30, 2021 - 7:19 pm
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Hi Mark,

Welcome to our forum!

You can use this formula in a new column to extract the values from column 1:

= try if [Col 1] = "c" then [Col 1] else
if #"Changed Type"{[Col 2]-2} [Col 1] = "c" then #"Changed Type"{[Col 2]-1} [#"Col 1"] else 
if #"Changed Type"{[Col 2]-3} [Col 1] = "c" then #"Changed Type"{[Col 2]-1} [#"Col 1"] else 
if #"Changed Type"{[Col 2]-4} [Col 1] = "c" then #"Changed Type"{[Col 2]-1} [#"Col 1"] else null otherwise null

 

Then filter out the null rows. See file attached.

Mynda

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SunnyKow
Puchong, Malaysia

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April 30, 2021 - 10:19 pm
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Hi Mark

You could also use a formula instead.

In cell C2 enter =IF(A2="c",1,IF(C1<>0,IF(C1<>4,C1+1,0),0))

You can then filter out the zeros.

Sunny

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