[R] Calculate survival function for AFT model

thebennjammin benn.ackley at gmail.com
Fri Dec 30 21:46:41 CET 2011

I have fit an accelerated failure time model using coxph, and have what seems
to be a simple question that I can't figure out.  

Given a vector of predictor values X, the survival time S[t|X] is the
probability the entity will survive longer than some time t.  Now, how do I
calculate this for a specific value of t?  

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