Launch the Destructive Degradation Platform

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Reliability and Survival Methods • Destructive Degradation • Launch the Destructive Degradation Platform

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Launch the Destructive Degradation Platform

Launch the Destructive Degradation platform by selecting Analyze > Reliability and Survival > Destructive Degradation. Figure 7.10 shows the Destructive Degradation launch window using the Adhesive Bond.jmp data table (located in the Reliability folder).

Figure 7.10 The Destructive Degradation Launch Window

The Destructive Degradation launch window contains the following options:

Identifies the column containing the degradation measurements. When your response values are interval-censored, you can enter two columns. See Specify Two Y Columns.

Identifies the column containing the time values.

Identifies an optional explanatory variable. If the distribution of Y changes not only over time, but is also impacted by some other variable, that additional variable can be supplied as X. Use this role to specify the accelerating factor in an accelerated destructive degradation model.

Identifies frequencies or observation counts when there are multiple units. If the value is 0 or a positive integer, then the value represents the frequencies or counts of observations with the given row’s settings.

Identifies an optional column that identifies censored response measurements. When there is only one column in the Y role, this column indicates whether the response Y in a given row is exact or right censored. A right-censored observation is one where the exact measurement is unknown, but is known to be larger than the Y value in the corresponding row.

Select the value that identifies right-censored observations from the Censor Code menu. Rows corresponding to other values in the Censor column are treated as uncensored. Rows with missing censor code values are excluded from the analysis. JMP attempts to detect the censor code and display it in the list.

Identifies an optional By variable. A separate analysis is produced for each level of this variable.

Identifies the value in the Censor column that designates right-censored observations. After a Censor column is selected, JMP attempts to automatically detect the censor code and display it in the box. To change this, you can click the red triangle and select from a list of values. You can also enter a different value in the box. If the Censor column contains a Value Labels column property, the value labels appear in the list of values. Missing values are excluded from the analysis.

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Help created on 7/12/2018