[R] help with a survplot

[Jabba]

Il giorno Thu, 5 May 2011 18:42:11 -0700 (PDT)
Frank Harrell <f.harrell at vanderbilt.edu> ha scritto:

> Hi Marco,
> 
> You're welcome.
> 
> The number at risk at given time points is a fairly standard thing to
> add to survival plots. 

I know, but last year, as a "newbye" in biostatistics, i felt the need
to read rms book exactly because there were plenty of "standard things"
that did not convince me.