What is survival function?


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送交者: cornbug 于 2012-01-11, 20:00:34:

The object of primary interest is the survival function, conventionally denoted S, which is defined as
S(t) = Pr(T > t)
where t is some time, T is a random variable denoting the time of death, and "Pr" stands for probability.

http://en.wikipedia.org/wiki/Survival_analysis




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