[R] methods for interval-censored data

[Jim Lindsey]

> 
> >>>>> "EP" == Emmanuel Paradis <paradis at isem.univ-montp2.fr> writes:
> 
> 
>     EP> Dear all, Are there functions or packages in R that can handle
>     EP> interval-censored data? I have looked in various packages
>     EP> (such as survival5 or event), but it seems that only
>     EP> right-censored data can be analysed.
> 
> What do you want to do?  1-sample? regression models?  hypothesis
> testing?  This isn't clear. 
> 
> Also, what assumptions are you referring to?  Continuous examination
> process, or discrete examination process?  
> 
> There aren't clear choices for fitting -- for the semiparametric
> regression models, the properties of the many approaches for variance
> estimation for regression parameters aren't well understood.
> 
> For parameteric models, Jim gave the answer and has a paper detailing
> the characteristics of the approaches (Jim - did you ever publish
> this?) 

Yes:
Lindsey, J.K. (1998) A study of interval censoring in parametric
regression models. Lifetime Data Analysis 4, 329-354. 
  Jim

> 
>     EP> More generally, are there methods to analyse both
>     EP> interval-censored observations and right-censored observations
>     EP> in the same data set?
> 
> All right censored observations are inherently interval censored, take
> the interval (C,\infty).
> 
> best,
> -tony
> 
> -- 
> A.J. Rossini				Rsrch. Asst. Prof. of Biostatistics
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