Using the Cities.jmp sample data table, specify a Sizes variable to see a treemap of city sizes based on population.
1.
Select Help > Sample Data Library and open Cities.jmp.
2.
Select Graph > Treemap.
3.
Select POP (population) and click Sizes.
4.
Select city and click Categories.
5.
POP as Sizes Variable

Help created on 9/19/2017