[R] help with a survplot

[Frank Harrell]

Hi Marco,

You're welcome.

The number at risk at given time points is a fairly standard thing to add to
survival plots.  I don't think many people will confuse it with numbers of
events.  Personally I find shaded confidence bands a bit more helpful but
both are useful.

Frank


Marco Barbàra-2 wrote:
> 
> Il giorno Mon, 2 May 2011 07:30:10 -0700 (PDT)
> Frank Harrell <f.harrell at vanderbilt.edu> ha scritto:
> 
>> Please elaborate.
> 
> It is simply that, generally speaking, i don't like adding numbers to a
> plot. I eventually realized that riskset cardinality may be a useful
> indication. However, do not discriminate between events and censored
> observations could generate some confusion, i think.
> 
> Anyway, thanks to your software i was able to produce what i was
> requested for in very little time, so thank you very much.
> 
> ______________________________________________
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> 


-----
Frank Harrell
Department of Biostatistics, Vanderbilt University
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