[R] Trying to run simple survival program in R but does not work

[Prof Brian Ripley]

On Thu, 7 Aug 2008, Trev101 wrote:

>
> Hey,
>
> I am just starting to learn R now and I typed in this simple survival
> program:
>
>   library(survival)
>   t <- c(10,13,18,19,23,30,36,38,54,56,59,75,93,97,104,107,107,107)
>   c <- c(1,0,0,1,0,1,1,0,0,0,1,1,1,1,0,1,0,0)
>   data <- Surv(t,c)
>   km <- survfit(data)
>   summary(km)
>   Call: survfit(formula = data)
>
> but everytime I run it I get this error:
>
>  Error in eval.with.vis(expr, envir, enclos) : object "Call" not found
>
> Can someone please help me out I really have no idea wat I have done wrong.

You have pasted in part of the output of 'summary(km)': R does not 
understand its own output, only its language.

> I have installed the survival library is there maybe some other library I
> need to install?
> -- 
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> Sent from the R help mailing list archive at Nabble.com.
>
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> and provide commented, minimal, self-contained, reproducible code.
>

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595