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New in Mathematica 9Survival Analysis

Estimate Expected Survival with Incomplete Data 

The following right-censored data produces a Kaplan-Meier estimate that never reaches zero because the last observation is censored. In order to estimate the expected lifetime, you must choose a model for the remaining probability in the tail. This can easily be accomplished with SurvivalModelFit.

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Estimated mean survival using four different parametric tail models.