1.
Select Help > Sample Data Library and open Reliability/Blenders.jmp.
2.
Select Analyze > Reliability and Survival > Life Distribution.
3.
Select Time Cycles and click Y, Time to Event.
4.
Select Causes and click Failure Cause.
5.
Select Censor and click Censor.
6.
Select Individual Best as the Distribution.
7.
Make sure that AICc is the Comparison Criterion.
8.
Initial Competing Cause Report
Estimated Failure Time for 10% of the Units
10.
Select Omit for bearing seal, belt, container throw, cord short, and engine fan (the causes with the fewest failures).
Updated Failure Time
2.
3.
Select Interval Type > Pointwise from the red triangle menu.
Nonparametric Estimates with a Fréchet Probability Scale
4.
Select SEV in the Scale column.
Nonparametric Estimates with a SEV Probability Scale
1.
Select Help > Sample Data Library and open Reliability/Capacitor ALT.jmp.
2.
Select Analyze > Reliability and Survival > Life Distribution.
4.
Select Hours and click Y, Time to Event.
5.
Select Temperature and click Grouping.
6.
Select Censor and click Censor.
7.
Select Freq and click Freq.
8.
Compare Distribution for Groups
9.
Select Weibull for Distribution and Scale.
Compare Weibull Distribution for Groups
You have no failures (all observations are right-censored) and the preference Weibayes Only for Zero Failure Data is checked. Then the Weibayes report appears. See Weibayes Example for Data with No Failures.
1.
Select Help > Sample Data Library and open Reliability/Weibayes No Failures.jmp.
2.
Select Analyze > Reliability and Survival > Life Distribution.
3.
Select Time and click Y, Time to Event.
4.
Select Censor and click Censor.
5.
Select Freq and click Freq.
6.
Select Likelihood as the Confidence Interval Method.
7.
A special Life Distribution report appears. Weibayes and Weibull beta should be selected.
9.
Click Update.
Life Distribution Report for Zero Failures
1.
Select Help > Sample Data Library and open Reliability/Weibayes One Failure.jmp.
2.
Select Analyze > Reliability and Survival > Life Distribution.
3.
Select Time and click Y, Time to Event.
4.
Select Censor and click Censor.
5.
Select Freq and click Freq.
6.
Select Likelihood as the Confidence Interval Method.
7.
8.
Select the Weibull distribution in the Compare Distributions plot.
9.
Select Fix Parameter from the Parametric Estimate - Weibull red triangle menu.
10.
Select Weibayes and Weibull beta in the Fix Parameter report.
12.
Click Update.
Life Distribution Report for One Failure

1