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Cazz963
New Member

Replace, substitution value in column for another in same column based on another columns value

Hi

New to Power Bi.

 

I have the following extract from a table

 

Product code        Type                      Source             

B1wp2XXXX1       pre-process              J15

b1wp2XXXX1        post-process            GKV 1

b1wp2XXXX2       pre-process              j2

b1wp2XXXX2       post-process             GKV 2

B3WP2XXXX1      pre-process              j6

b3WP2XXXX1      post-process             GKV 9

etc.....

 

So a "product code" has various "types" of process and "source". What I am after is a solution to change the "source" of the "pre-process" to corresponding "post-process" one for that product code ie for b1wp2xxxx1  J15 to GKV.

 

Tried various formulas, workarounds etc with no joy.

 

Thanks

 

R

2 REPLIES 2
ValtteriN
Super User
Super User

Hi,

Here is how to do this with a measure:

Source measure = CALCULATE(MAX(Process[Source]),ALLEXCEPT(Process,Process[Product code]),Process[Type]="post-process")
ValtteriN_0-1642949364863.png

 

Ping me with @ if you want to do this with calculated column or powerquery.

I hope this post helps to solve your issue and if it does consider accepting it as a solution and giving the post a thumbs up!

 




Did I answer your question? Mark my post as a solution!

Proud to be a Super User!




Hi Valtteri,

Thanks for the reply.

I maybe made the sample above too simple as there are many "types" to be considered and "sources"

After typing in the measure i get the error "A single value for column 'Source' in table xxxxx cannot be determined. This can happen when a measure formula refers to a column that contains many values without specifying an aggregation such as min, mac, count, or sum to get a single result"

 

Thanks again

R

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