Cannot Replace Blank Values with 0 in Matrix, Data is Multiplied

Hi byzmjv ,

You can refer the following links to get it:

Handling BLANK in Power BI

Solution #1: Using IF

Blank v1 comments =
IF (
    ISBLANK (
        CALCULATE (
            COUNT ( Comments[Id] ),
            FILTER ( Comments, Comments[Year Comment] = 2012 )
        )
    ),
    0,
    [Total Comments]
)

Solution #2: COALESCE()

Blank v2 Comments coal =
COALESCE (
    CALCULATE (
        COUNT ( Comments[Id] ),
        FILTER ( Comments, Comments[Year Comment] = 2012 )
    ),
    0
)

Solution #3 Trick with 0

Blank v3 Comments 0 =
CALCULATE (
    COUNT ( Comments[Id] ),
    FILTER ( Comments, Comments[Year Comment] = 2012 )
) + 0

How to return 0 instead of BLANK in DAX

If the above one can't help you get the desired result, please provide some sample data in your tables (exclude sensitive data) with Text format and your expected result with backend logic and special examples. It is better if you can share a simplified pbix file. You can refer the following link to upload the file to the community. Thank you.

How to upload PBI in Community

Best Regards