If condition

[YoussefKacem1]

Hello guys hope you doing good ,

I have this expression Sum(Ecart) 

And i want with if condition  , if the values in the top 10 bottom values (Having Positive and Negative values) to take 1 else 0 

Thank you in advance !

[Qrishna]

please elaborate "if the values in the top 10 bottom values "

[YoussefKacem1]

Sorry about that 

i meant the top 10 lowest values