Defining default outcome values in a proportional hazards models

In a proportional hazards model, if the outcome values exist in two different columns, it can be useful to define a default column. If a value is missing from the outcome variable, the corresponding value from the default column will be used instead.

To define default outcome values:

1. In the Model view, ensure that Proportional Hazards is selected from the Model pop-up button
2. Click the Configure button to the right of the Model pop-up button
3. Check the box labeled Default value and select a column from the pop-up button

If values from the default column should be treated as censored (for example, if the outcome contains failure times, and the default column contains total observation times), then additionally check the box labeled Default is censored.

See also:

• Treating records as censored in a proportional hazards models
• Defining the cause of failure in a proportional hazards models
• Stratifying a proportional hazards model by a category column
• About proportional hazards models

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