Probability Plot for Insulating Fluid Data
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: RELPPLT2 */
/* TITLE: Probability Plot for Insulating Fluid Data */
/* PRODUCT: QC */
/* SYSTEM: ALL */
/* KEYS: */
/* PROCS: RELIABILITY */
/* DATA: Nelson, W. Accelerated Testing, p. 304 */
/* REF: SAS/QC Software: The RELIABILITY Procedure */
/* */
/* */
/****************************************************************/
options nodate nostimer nonumber source2 ls=76 ps=80;
data fluid;
input time voltage$ @@;
cards;
5.79 26kv 1579.52 26kv
2323.7 26kv 7.74 30kv
17.05 30kv 20.46 30kv
21.02 30kv 22.66 30kv
43.4 30kv 47.3 30kv
139.07 30kv 144.12 30kv
175.88 30kv 194.90 30kv
.19 34kv .78 34kv
.96 34kv 1.31 34kv
2.78 34kv 3.16 34kv
4.15 34kv 4.67 34kv
4.85 34kv 6.50 34kv
7.35 34kv 8.01 34kv
8.27 34kv 12.06 34kv
31.75 34kv 32.52 34kv
33.91 34kv 36.71 34kv
72.89 34kv .09 38kv
.39 38kv .47 38kv
.73 38kv .74 38kv
1.13 38kv 1.40 38kv
2.38 38kv
;
title 'Probability Plot for Insulation Data';
symbol1 c=red v=plus;
symbol2 c=blue v=x;
symbol3 c=green v=square;
symbol4 c=yellow v=circle;
proc reliability data=fluid;
distribution weibull;
probplot time=voltage / noconf
overlay
cframe = ligr
turnvlabels ;
run;