Probability Plot for Part Cracking Data
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: RELPPLT3 */
/* TITLE: Probability Plot for Part Cracking Data */
/* PRODUCT: QC */
/* SYSTEM: ALL */
/* KEYS: */
/* PROCS: RELIABILITY */
/* DATA: Nelson, W. Applied Life Data Analysis, p. 415 */
/* REF: SAS/QC Software: The RELIABILITY Procedure */
/* */
/* */
/****************************************************************/
options nodate nostimer nonumber source2 ls=76 ps=80;
data cracks;
input time units fail;
cards;
6.12 167 5
19.92 162 16
29.64 146 12
35.4 134 18
39.72 116 18
45.24 98 2
52.32 96 6
63.48 90 17
;
title 'Probability Plot for Part Cracking Data';
symbol v=dot c=pink h=.7;
proc reliability;
freq fail;
nenter units;
distribution weibull;
probplot time / readout
pconfplt
cframe = dagr
nogrid ;
inset / ctext = yellow
cframe = yellow ;
run;