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Modify the Analysis Period

The Analysis Period specifies the date range over which an analysis occurs. The start date specifies the first date of the analysis and the end date specifies the last date of the analysis. The default Analysis Period has a start date equal to the first failure date and an end date equal to the current date. When the default Analysis Period is used, each time you open an analysis, the end date is updated to the current date. You can adjust the Analysis Period to focus the analysis on a specific period of time.

Steps

1. Access a Reliability Distribution Analysis for which you want to modify the Analysis Period.

2. In the left pane, select the Probability Plot tab.

   The Probability Plot appears in the workspace.

   

   Note: You can also modify the Analysis Period for a plot via the Failure Rate Plot, PDF Plot, CDF Plot, and Failure Probability.

3. In the upper-right corner of the workspace, select Analysis Tasks, and then select Analysis Period.

   The Set Analysis Period window appears.

   

4. Clear the I want to use the first failure dates as the start date for this analysis. check box, and then enter or select the desired date.

   Note: To ensure that all failure dates appear on the plots, make sure that the start date is before the date associated with the first datapoint. Only failures that occur after the start date will appear on the plots.

5. Clear the I want to use today's date as the end date for this analysis check box, and then enter or select the desired date.

6. Select OK.

   The GE Digital APM system saves the Analysis Period and recalculates the analysis using the selected dates.

   Note: If you want to change the Analysis Period back to the default Analysis Period, select the Start Date and End Date check boxes.

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