On Thu, 26 Feb 2009 phguardiol at aol.com wrote:
>
> Hello,
> I d like to run a survival analysis with "left truncated data". Could
> you recommend me a package to do this please ?
The 'survival' package.
-thomas
Thomas Lumley Assoc. Professor, Biostatistics
tlumley at u.washington.edu University of Washington, Seattle