Set Analysis - Last 3 Months of Last Year

[#1]

Here is my current syntax that is not working.

=sum({$<Year={$(=Max(Year)-1)}, MonthID = {">$(#=max(MonthID)-3) <=$(#=max(MonthID))"}> }Cnt)

What am I doing wrong?

[stevedark]

This period based Set Analysis example Shared QlikView may be helpful to you:

http://community.qlik.com/qlikviews/1175

- Steve