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Nielf
Helper I
Helper I

Only calculate measure for rows with data

I have simple table in Power BI, where I have created a measure (% Compliance error percentage) as Total error count / open opportunities:

% Compliance error percentage = 

DIVIDE(SUM('Data compliance'[Total error count]),
sum('Data compliance'[Open opportunities]),
0
)

 

The data is logged every two weeks (week 1, 3, 5 and so forth as per the table below).

 

Nielf_0-1642419748487.png

 

This simple calculation works fine. However, instead of showing the 'error percentage' I would like to show the 'valid percentage' by subtracting the error percentage from 1. E.g., 'valid percentage' for week 1 will be 93,75%.   

 

The issue is that if I make a simple measure like this:

% Compliance valid percentage = 

1 - [% Compliance error percentage]


I will end up with values for all dates, also the ones where we haven't logged any data, since 1-0 will return a value. 

 

Nielf_2-1642420601172.png

 

My question is now - is there a way I can limit the measure to only make the calculation for the rows that have data?

 

I have tried with varies IF statements but I haven't found a solution,. 

1 ACCEPTED SOLUTION
mh2587
Super User
Super User

https://www.burningsuit.co.uk/how-dax-treats-nulls-zeros/

Follow this url how to handle null and zeros value in dax


Did I answer your question? If so, please mark my post as a solution!


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Muhammad Hasnain



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4 REPLIES 4
Nielf
Helper I
Helper I

Thanks for the link @mh2587. It explained the differences nicely and I produced a solution using ISBLANK().

 

IF(NOT(ISBLANK([% Compliance error percentage])), 1-[% Compliance error percentage])

 

mh2587
Super User
Super User

https://www.burningsuit.co.uk/how-dax-treats-nulls-zeros/

Follow this url how to handle null and zeros value in dax


Did I answer your question? If so, please mark my post as a solution!


Proud to be a Super User!




LinkedIn Icon
Muhammad Hasnain



Nielf
Helper I
Helper I

@mh2587 yes - that is working. However, is it possble to return 100% as 'valid percentage' if 'error percentage is 0?

 

Nielf_0-1642421800946.png

 

mh2587
Super User
Super User

 if([% Compliance error percentage] <> Blank(),1 - [% Compliance error percentage])

Did I answer your question? If so, please mark my post as a solution!


Proud to be a Super User!




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Muhammad Hasnain



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