[R] Kaplan Meier function

[Matthias Gondan]

Hi Eleni, hi list,

here is small sample program, the library is "survival", it is included
in the standard R distribution.

> data(colon)
> s = survfit(Surv(time, status) ~ rx, data=colon)
> plot(s)
> plot(s, col=1:3)

By the way: Does anyone know a neat way to indicate the number of
patients under risk in
the curve? Like here:

http://www.drugs.com/pro/images/8c3bb783-1c3c-4d75-a502-2f7ee3632f41/inspra-image02.jpg

Best wishes,

Matthias

Eleni Christodoulou schrieb:
> Hi all,
>
> I am trying to draw a Kaplan-Meier curve and I found online that Kaplan -
> Meier estimates are computed with a function called km in the event package.
> Is there an update for that because when I choose to download packages in
> R,. there is no package called event, even though I have selected all the
> repositories.
>
> Thanks in advance,
> Eleni
>
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