Example 6 for PROC LIFEREG
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: LIFEREX6 */
/* TITLE: Example 6 for PROC LIFEREG */
/* PRODUCT: STAT */
/* SYSTEM: ALL */
/* KEYS: survival data analysis, probability plotting */
/* PROCS: LIFEREG */
/* DATA: */
/* */
/* SUPPORT: lichen */
/* REF: PROC LIFEREG, EXAMPLE 6. */
/* MISC: */
/****************************************************************/
data Micro;
input t1 t2 f;
datalines;
. 6 6
6 12 2
12 24 0
24 48 2
24 . 1
48 168 1
48 . 839
168 500 1
168 . 150
500 1000 2
500 . 149
1000 2000 1
1000 . 147
2000 . 122
;
ods graphics on;
proc lifereg data=Micro;
model ( t1 t2 ) = / d=lognormal intercept=25 scale=5;
weight f;
probplot
pupper = 10
itprintem
printprobs
maxitem = (1000,25)
ppout;
inset;
run;
ods graphics off;