if you want top 7 based on your selections, you can use a calculated dimension in your filter object.
=aggr(if(rank([Year Quarter Field]) <= 7, [Year Quarter Field]) ,[Year Quarter Field])
Otherwise you can create a flag (or another field entirely but that may be confusing on front end with conflicting selections) in your data model and use that in your filter object.
Example:
load script flag:
data:
load * inline [
field
1
6
4
3
2
]
;
left join (data)
load field, 1 as is_top_2 resident data
where rowno() <2
order by field desc
;
=if(is_top_2= 1, [field])
