Specify the failure mode options for Parametric Distribution Analysis

Stat > Reliability/Survival > Distribution Analysis > Parametric Distribution Analysis > Failure Mode Options

Selelect the failure modes to include in the analysis. You can also select a different distribution for each failure mode. For more information on failure modes, go to What is a failure mode?.

Failure Mode
Deselect a failure mode to exclude it from the analysis.
Distribution
Select a distribution to model the failure mode. Change the selection only when one or more failure modes use a different distribution than the distribution that you selected in the main dialog box.
Sample Columns
If the analysis includes multiple samples, then this column shows which samples contain the failure mode. You cannot enter values in this column.
Reset distributions to default
Select to use the distribution from the main dialog box for all failure modes.
Selections that you make for the distribution of failure modes affect the options for distribution fitting, tests, and results.
Distribution Fitting
To set a threshold parameter, every failure mode must use a distribution that has a threshold parameter.
If the distribution for one failure mode is exponential and the distribution of another failure mode is different, the analysis does not accept parameters to set or historical estimates of parameters.
If the distribution for all failure modes is exponential, the analysis accepts historical estimates of the parameters. The analysis does not accept parameters to set.
Tests
To test whether a treshold parameter equals a value, every failure mode must use a distribution with a threshold parameter.
Results
To show tables with results for individual failure modes, select Display analysis results for individual failure modes.
Note

If you do not know which distribution adequately models the failure modes in your data, use Distribution ID Plot before you use this analysis.