You can use the following statements to add equal-precision bands to the plot:
proc lifetest data=sashelp.BMT plots=survival(cb=ep test); time T * Status(0); strata Group; run;
The results are displayed in FigureĀ 23.5.
You can use the following statements to add both Hall-Wellner and equal-precision bands to the plot:
proc lifetest data=sashelp.BMT plots=survival(cb=all test); time T * Status(0); strata Group; run;
The results are displayed in FigureĀ 23.6.