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Capabilities Index
Reliability and Survival Methods
•
Degradation
• Degradation Platform Options
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Degradation Platform Options
The Degradation red triangle menu provides the option that are described in
Degradation Platform Options
.
Degradation Platform Options
Option
Description
Path Definition
The Y variable at a given time is assumed to have a distribution. You can model the mean, location parameter, or median of that distribution.
Mean Path
is used to model the mean.
Location Parameter Path
is used to model the location parameter.
Median Path
is used to model the median of the distribution.
When the Location Parameter or Median Path option is selected, a menu appears in the Model Specification. Select the distribution of the response from that menu. See
Distribution Specification
.
Distribution Specification
Degradation Path Style
Provides options for selecting the style of degradation path to fit.
Simple Linear Path
is used to fit linear degradation paths, and nonlinear paths that can be transformed to linear. For more information, refer to
Simple Linear Path
.
Nonlinear Path
is used to fit nonlinear degradation paths. For more information, refer to
Nonlinear Path
.
Graph Options
Provides options for modifying the platform graphs.
Connect Data Markers
shows or hides lines connecting the points on the Overlay plot.
Show Fitted Lines
shows or hides the fitted lines on the Overlay plot.
Show Spec Limits
shows or hides the spec limits on the Overlay plot.
Show Residual Plot
shows or hides the residual plot.
Show Inverse Prediction Plot
shows or hides the inverse prediction plot
Show Curve Interval
shows or hides the confidence intervals on the fitted lines on the Overlay plot.
Curve Interval Alpha
enables you to change the alpha used for the confidence interval curves.
Show Median Curves
shows or hides median lines on the plot when the Path Definition is set to Location Parameter Path.
Show Legend
shows or hides a legend for the markers used on the Overlay plot.
No Tab List
shows or hides the Residual Plot, Inverse Prediction, and Prediction Graph in tabs or in stacked reports.
Prediction Settings
Provides options for modifying the settings used in the model predictions.
Upper Spec Limit
is used to specify the upper spec limit.
Lower Spec Limit
is used to specify the lower spec limit.
Censoring Time
is used to set the censoring time.
Baseline
is used to specify the normal use conditions for an X variable in nonlinear degradation paths. A path with this value usually results in an Overlay plot.
Inverse Prediction
is used to specify interval type, alpha level, and one or two-sided intervals for inverse prediction. To do inverse prediction, you must also specify the lower or upper spec limit.
For more information about inverse prediction, refer to
Inverse Prediction
.
Longitudinal Prediction
is used to specify the Time value, interval type, and alpha level for longitudinal prediction.
For more information about longitudinal prediction, refer to
Prediction Graph
.
Applications
Provides options for further analysis of the degradation data.
Generate Pseudo Failure Data
creates a data table giving the predicted time each unit crosses the specification limit. The table contains a Life Distribution or Fit Life by X script that can be used to fit a distribution to the pseudo failure times.
Test Stability
performs stability analysis. For more information, refer to
Stability Analysis
.
Script
Contains options that are available to all platforms. See
Using JMP
.
Script All By-Groups
Provides options similar to those on the Script menu. This is available if a By variable is specified.