# Treating records as censored in a proportional hazards models

In a proportional hazards model, records that do not experience a failure during the observation time should be treated as censored (sometimes called right-censored).

To treat records as censored:

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 Treat outcome as censored if
4. Use the predicate editor to define censoring conditions

The number of records regarded as censored will appear to the right of the checkbox.

Records may also be censored if a default column is defined; this is useful if censored observations appear in one column, and non-censored observations appear in another column.

See also:

- Defining default outcome values 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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