Previous month Calculations with Set analysis in QlikSense
Can any one help me on this topic...,
I have a data like below,
Year, MonthName, Sales
2016, Jan, 1000
2016, Feb, 300
Based on the above example, I have a filters called YEAR, MONTH, If i select JAN Month and 2016 year, i want to see the Dec 2015(Previous month) Sales, Can you please help me how i need to write set analysis for this...