Launch the Fit Parametric Survival platform by selecting Analyze > Reliability and Survival > Fit Parametric Survival.
The Fit Parametric Survival Launch Window
Contains the time to event or time to censoring. With interval censoring, specify two Y variables, where one Y variable gives the lower limit and the other Y variable gives the upper limit for each unit.
Note: By default, the All Distributions option fits a model for the log-location-scale distributions that appear above All Distributions in the Distribution menu. Select Preferences > Platforms > Fit Parametric Survival > Include location-scale distributions in All Distributions to change the behavior of the All Distributions option to also include the location-scale distributions.

Help created on 9/19/2017