Categorical filters don't work when replacing BLANK with 0 in measure

[travelsandbooks]

I have a table of products and a table of outputs, and I have a measure that counts the number of distinct outputs per product. It's important that if there are no outputs for a particular product, 0 is shown, so the measure is:

MyMeasure = IF(ISBLANK(DISTINCTCOUNT(Output[id])),0,DISTINCTCOUNT(Output[id]))

I now want to be able to filter the list of products shown. I have a table that joins to the Products table with the columns of data that I want to use to filter.

However, when I try and do this, every product still shows -- and the above measure shows 0 for everything except what I've selected. I think this is because the IF... syntax overrides the filter's attempt to filter things out.

How can I fix this? I see this similar question but that's for dates -- this is categorical data. Filters does not work when +0 is added to remove blanks 

This also doesn't work https://community.fabric.microsoft.com/t5/Desktop/Need-to-replace-blank-with-zero-but-also-be-able-t...

Thank you! 

[lbendlin]

MyMeasure = IF(ISBLANK(DISTINCTCOUNT(Output[id])),0,DISTINCTCOUNT(Output[id]))

can be refactored as

MyMeasure = COALESCE(DISTINCTCOUNT(Output[id]),0)

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