Documentation Example 2 for PROC LIFETEST
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: LIFTEX2 */
/* TITLE: Documentation Example 2 for PROC LIFETEST */
/* PRODUCT: STAT */
/* SYSTEM: ALL */
/* KEYS: number of subjects at risk, multiple comparisons */
/* PROCS: LIFETEST */
/* DATA: Included in Appendix D of J.P. Klein and M.L. */
/* Moeschberger (1997). */
/* */
/* SUPPORT: sasycs UPDATE: 05/15/07 */
/* REF: 9.2 SAS/STAT User's Guide, PROC LIFETEST Chapter */
/* MISC: */
/* */
/****************************************************************/
proc print data=Sashelp.BMT(obs=10);
run;
ods graphics on;
proc lifetest data=sashelp.BMT plots=survival(atrisk=0 to 2500 by 500);
time T * Status(0);
strata Group / test=logrank adjust=sidak;
run;
proc lifetest data=sashelp.BMT notable plots=none;
time T * Status(0);
strata Group / test=logrank adjust=sidak diff=control('AML-Low Risk');
run;
proc format;
invalue $bmtifmt 'ALL' = 1 'AML-Low Risk' = 2 'AML-High Risk' = 3;
value bmtfmt 1 = 'ALL' 2 = 'AML-Low Risk' 3 = 'AML-High Risk';
run;
data Bmt2;
set sashelp.BMT(rename=(Group=G));
Group = input(input(G, $bmtifmt.), 1.);
label Group = 'Disease Group';
format Group bmtfmt.;
run;
proc LIFETEST data=Bmt2 plots=s(atrisk(outside maxlen=13)=0 to 2500 by 500);
time T*Status(0);
strata Group / order=internal;
run;
proc lifetest data=Bmt2 plots=survival(cl cb=hw strata=panel);
time T * Status(0);
strata Group/order=internal;
run;
ods graphics off;