Group Variable
Use this field to indicate the variable used as a group variable for coloring curves in the Survival Plot and comparing grouped survival rate for the specified reference time under the Analysis tab.
To Specify a Group Variable:
| 8 | Specify the Input SAS Data Set. |
All of the variables in the specified input data set are displayed in the Available Variables field.
| 8 | Examine the list of available variables. |
| 8 | Highlight the variable whose values indicate how the samples are grouped. |
| 8 | Click  to add the highlighted variable to the Group Variable field, as shown below: |
