[R] Doubly interval-censored data

[Spencer Graves]

Have you looked at library(survival)?  Unless I misunderstand what you 
want, it should be there.  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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