SAS for Finance

Non-parametric procedure analysis

Let's now discuss plotting the survival curve.

PROC LIFETEST has been used to analyze the survival plot and observe the percentage of the population that has censored data. The procedure produces a graph of the Kaplan-Meier estimator of the survival function.

Here is the code for a non-parametric procedure survival chart:

PROC LIFETEST Data=Survival_Analysis Plots=survival; 
   Time tenure*censor(1); 
Run;

The CDF plot in Figure 6.5 is quite similar to the survival plot in Figure 6.7. The survival function, S(t) is derived after subtraction of the CDF from 1:

S(t) = 1 - CDF

Figure 6.7: Survival plot using non-parametric ...