2.
Right-click the column, select Column Info, and then select the Expression data type.
3.
Right-click the column, select Column Properties, and then select Expression Role.
The SAS Offices.jmp and Big Class Families.jmp sample data tables show an example of an expression column.
Tips: 
1.
Select Help > Sample Data Library and open CrimeData.jmp.
2.
Select Tables > Summary.
3.
Select State, and click Group.
4.
Select Total Rate, and click Statistics > Histogram.
5.
6.
Right-click the Histogram(Total Rate) column, and select Column Info.
7.
Select Expression Role from the Column Properties menu.
8.
See Add Hyperlinks to Text Columns in the Scripting Guide for details about editing the scripts.
1.
Right-click on the column and select Column Properties > Other.

Help created on 7/12/2018