Top 3 segments

[Dolly123]

the top 3 segments are according to descending order of capacity in set Analysis 

i need code for set analysis

capacity is column 

segment is column

[salonicdk28]

Please refer this link-

https://community.qlik.com/t5/QlikView-App-Dev/How-to-write-expression-for-Top-10-products-by-purcha...

where multiple methods are shown to achieve top ranks