Why need to have ISBlank before can filter ?

[admin11]

Hi All

I like to learn about below syntax :-

Flag GROUP TYPE_G16 ONLY = IF ( ISBLANK('Group TYPE'[GROUP_TYPE]), "0",if('Group TYPE'[GROUP_TYPE] in {"G16"},"1", "0"))

First question is why i cannot simplfy the syntax to below :-

Flag GROUP TYPE_G16 ONLY =

if

(

'Group TYPE'[GROUP_TYPE] in {"G16"},"1", "0"

)

Hope some one can share with me 

Paul

[CNENFRNL · Accepted solution]

@admin11 , it seems like a statement in a calculated column; if so, you might want to try a more simplified one,

( 'Group TYPE'[GROUP_TYPE] = "G16" ) + 0

[amitchandak]

@admin11 , refer if this blog can help you

https://www.sqlbi.com/articles/blank-handling-in-dax/