Documentation Example 3 for PROC LIFETEST
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: LIFTEX3 */
/* TITLE: Documentation Example 3 for PROC LIFETEST */
/* PRODUCT: STAT */
/* SYSTEM: ALL */
/* KEYS: life-table estimate */
/* PROCS: LIFETEST */
/* DATA: Originally from Parker et al. (1946), included in */
/* E.T. Lee (1980): Statistical Method for Survival */
/* Data Analysis. Lifetime Learning Publications. */
/* */
/* SUPPORT: sasycs UPDATE: 05/15/07 */
/* REF: 9.2 SAS/STAT User's Guide, PROC LIFETEST Chapter */
/* MISC: */
/* */
/****************************************************************/
title 'Survival of Males with Angina Pectoris';
data Males;
keep Freq Years Censored;
retain Years -.5;
input fail withdraw @@;
Years + 1;
Censored=0;
Freq=fail;
output;
Censored=1;
Freq=withdraw;
output;
datalines;
456 0 226 39 152 22 171 23 135 24 125 107
83 133 74 102 51 68 42 64 43 45 34 53
18 33 9 27 6 23 0 30
;
ods graphics on;
proc lifetest data=Males method=lt intervals=(0 to 15 by 1)
plots=(s,ls,lls,h,p);
time Years*Censored(1);
freq Freq;
run;
ods graphics off;