Message-ID: <Pine.A41.4.58.0401130544530.60194@homer18.u.washington.edu>
Date: 2004-01-13T13:45:24Z
From: Thomas Lumley
Subject: Doubly interval-censored data
In-Reply-To: <4002E516.8030500@pdf.com>
On Mon, 12 Jan 2004, Spencer Graves wrote:
> Have you looked at library(survival)? Unless I misunderstand what you
> want, it should be there
It isn't.
-thomas
> . Further documentation is provided in Venables
> and Ripley (2002) Modern Applied Statistics with W, Therneau and
> Grambsch (2000) Modeling Survival Data, Harrell (2001) Regression
> Modeling Strategies (all Springer), and in materials downloadable from
> www.r-project.org; see especially search -> "R site search". Have you
> tried these sources?
>
> hope this helps. spencer graves
>
> Salah Mahmud wrote:
>
> >Does anyone know of the existence of R code for estimating the survivor
> >function and its standard error where survival time (T) is defined as
> >the time between two interval-censored events, i.e., both events are
> >only known to occur within an interval? This is the situation that
> >commonly arises in longitudinal studies of viral infections. For
> >instance T could be the time of clearing HPV infection when the dates of
> >acquisition and loss (clearance) of infection are not measured exactly
> >but known to occur between two consecutive dates (dates of prescheduled
> >follow-up visits).
> >
> >Many thanks,
> >
> >Salah
> >
> >______________________________________________
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> >https://www.stat.math.ethz.ch/mailman/listinfo/r-help
> >PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
> >
> >
>
> ______________________________________________
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>
Thomas Lumley Assoc. Professor, Biostatistics
tlumley at u.washington.edu University of Washington, Seattle