Comparing DAX Measure with SELECTEDVALUE()

I'm pretty sure you aren't actually intending to check if ISSUE[RaisedBy] is the literal string "[Localism]".

Try using a variable (without quotes):

Other_Template =
VAR _Loc = [Localism]
RETURN
    CALCULATE (
        COUNTROWS ( ISSUE ),
        ISSUE[RaisedBy] <> _Loc,
        ISSUE[CountriesImpacted] = "Template"
    )

Hi quijote 

You have made a few common mistakes, which most of us make when we fisrt start with DAX.

1st mistake is  SELECTEDVALUE() is nothing to do with teh SILICER of Filter pane

 SELECTEDVALUE() retreives the nutual filtrer context in you visual table or graph

For example whilst drawing this visual, on the Feb row, SELECETDVALUE(Month) will be "Fen" 

CALCULATE(
COUNTROWS(ISSUE),
ISSUE[RaisedBy] <> "[Localism]"
)

However, this will trigger an error because you cant have a measure inside a measure

CALCULATE(
COUNTROWS(ISSUE),
ISSUE[RaisedBy] <> [Localism]
)

You can use the FILTER commadn to create a tempoary table

Example =
VAR temptable = FILTER(yourtablename,yourtablename[RaisedBy] <> [Localism])

RETURN
CALCULATE(
COUNTROWS(ISSUE),
temptable
)

You can put the filter in the CALCULATE but I recommend using VAR because it is easier to learn and test

Example2 =
CALCULATE(
COUNTROWS(ISSUE),
FILTER(yourtablename,yourtablename[RaisedBy] <> [Localism])
)

You have made a few common mistakes, which most of us make when we fisrt start with DAX.

1st mistake is  SELECTEDVALUE() is nothing to do with teh SILICER of Filter pane

 SELECTEDVALUE() retreives the nutual filtrer context in you visual table or graph

For example whilst drawing this visual, on the Feb row, SELECETDVALUE(Month) will be "Fen" 

CALCULATE(
COUNTROWS(ISSUE),
ISSUE[RaisedBy] <> "[Localism]"
)

However, this will trigger an error because you cant have a measure inside a measure

CALCULATE(
COUNTROWS(ISSUE),
ISSUE[RaisedBy] <> [Localism]
)

You can add lots of conditions in FILTER
for example all big green issue

Example3 =
VAR temptable = 
FILTER(yourtablename,
  yourtablename[Size] = "Big" &&
  yourtablename[Colout] = "Green"
)

RETURN
CALCULATE(
COUNTROWS(ISSUE),
temptable
)

Learn more here
https://www.youtube.com/watch?v=xV-KwuSDFMQ

https://www.youtube.com/watch?app=desktop&v=FI1_N-imBxI&t=05m33s

I want to help you but your description is too vague. I suggest you close this ticker and start a new one from fresh.

You will get a quicker and better response without misunderstandings if you put time and effort into carefully writing a clear problem description with example input and output data. Look forward to helping you when this information is forthcoming

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Hi quijote ,

Good that you were able to resolve your query.
Can you please mark the answer as solution, so that other users can also benefit from it.
Thanks AlexisOlson  and speedramps  for your detailed response to the query.
Please feel free to reach out in case of any questions.
Thank You

Hi quijote ,

Thanks for the update!
To help investigate further, could you please share some sample data or a minimal reproducible example that demonstrates the issue? That would really help in identifying a suitable solution.
How to provide a sample data
How to upload in Community

Best Regards,
Shruti