Using Time and Retirement Columns
main topics 

The relationship between the time column and the retirement column is summarized below.

·    If you provide a retirement column, this column determines whether the time is a failure or a retirement time. Each system must have a retirement time.

·    If you do not provide a retirement column and you have only failure-truncated systems, then the retirement time for each system is the largest time for that system. These times are failure times.

·    If you have a time-truncated system, then the largest time for each system is the retirement time. This time is not a failure time for that system.

·    If you provide multiple retirement columns, and at least one of those columns corresponds to systems that are only time truncated, then you must specify the retirement value. The retirement value will apply to every retirement column.