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          */
 /*                                                              */
 /*                                                              */
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 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;