survival model

Example 7.38: Kaplan-Meier survival estimates

May 24, 2010 | 0 Comments

In example 7.30 we demonstrated how to simulate data from a Cox proportional hazards model.In this and the next few entries, we expand upon support in R and SAS for survival (time-to-event) models. We'll start with a small, artificial dataset of 19 su...
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Example 7.30: Simulate censored survival data

March 30, 2010 | 0 Comments

To simulate survival data with censoring, we need to model the hazard functions for both time to event and time to censoring. We simulate both event times from a Weibull distribution with a scale parameter of 1 (this is equivalent to an exponential ra...
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