Window function - unique ranking
Hi all,
I'm trying to create the following logic for column '?' based on the header column:
context
header: the original column I want to rank against
temp: a constant 1 for the row number logic
row number: a row number ordered by temp ascending (recommended on the forum)
header identifier: a conditional column using 'CASE WHEN [columnA] = 'Market' THEN 'START' END'
Currently trying a rank & window using rank-ordered by the 'row number' and partitioned by the header identifier but at the point of 'START' it removes that row, the row count skips and the rank & window output works as a row number.
All support appreciated
Best Answers
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Try using a formula tile to set the value of a column to be 1 if it's = 'market' and 0 if it's not (or whatever logic you need to mark it as the start). Then use the rank & window to do a running total of the column.
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You wouldn't want to order by your header as that'd have all the 0s first then the 1s so likely your row is at the end of your dataset.
Try sorting based on your Row_Number field instead.
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Answers
-
Try using a formula tile to set the value of a column to be 1 if it's = 'market' and 0 if it's not (or whatever logic you need to mark it as the start). Then use the rank & window to do a running total of the column.
**Was this post helpful? Click Agree or Like below**
**Did this solve your problem? Accept it as a solution!**0 -
Thanks for the response, this seems to display a similar issue removing the row:
Running total settings:
Before running total applied:
After applied
Any thoughts?
0 -
You wouldn't want to order by your header as that'd have all the 0s first then the 1s so likely your row is at the end of your dataset.
Try sorting based on your Row_Number field instead.
**Was this post helpful? Click Agree or Like below**
**Did this solve your problem? Accept it as a solution!**1 -
@GrantSmith Thanks this worked -- Ordered by the Row Number. Perfect thank you!
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