[R] median of a survfit object

Heinz Tuechler tuechler at gmx.at
Wed May 24 16:24:27 CEST 2006


see: [R] How to access results of survival analysis Xiaochun Li (06 May 2006)

At 15:03 24.05.2006 +0200, David Hajage wrote:
> Hello R users !
>
>Here a survfit object :
>
>library(survival)
>
>essai <- aml[aml$x == "Maintained",]
>
>calc <- survfit(Surv(essai$time, 1 - essai$status))
>
>calc
>
>Call: survfit(formula = Surv(essai$time, 1 - essai$status))
>
>      n  events  median 0.95LCL 0.95UCL
>     11       4     103      28     Inf
>I would like to get the median of the object "calc"...
>For example,
>
>med <- calc$median
>
>But it doesn't work... How can I do this ?
>
>-- 
>David
>
>
>-- 
>David
>
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>
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