On 03/05/2013 05:00 AM, r-help-requ...@r-project.org wrote:
Hello, I create a plot from a coxph object called fit.ads4: plot(survfit(fit.ads4))
Questions: 1. What is the cross mark in the plot ? 2. How does the cross mark in the
plot relate to either the "rmean" or the "median" from survfit ?
1. A censored observation
2. It does not relate to either
3. See ?print.survfit . Recall also that the mean of a positive random
variable is the integral from 0 to infinity of the survival function. The
truncated mean is the integral from 0 to tau (819 in your case) of the survival
function.
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