Quality and Reliability Methods - SAS

382 Reliability and Survival Analysis II Chapter 20
Options and Reports
Figure 20.9 Bivariate Plot of Hours by log Temp
Use the univariate survival platform to produce a LogNormal plot of the data for each temperature. To do
so, select Analyze > Reliability and Survival > Survival. Assign Hours to Y, Time to Event, Censor to
Censor, Temp to Grouping, and Weight to Freq. From the resulting report, click on the red-triangle menu
of the Product-Limit Survival Fit title bar and select LogNormal Plot and LogNormal Fit. Alternatively, run
the Survival script attached to the data table. Either method produces the plot shown in Figure 20.10.
Figure 20.10 Lognormal Plot
Then, fit one model using a regressor for temperature. The regressor x is the Arrhenius transformation of
temperature calculated by the formula stored in the x column of the data table: