I uploaded eha-1.2-0 to CRAN a day ago. This version can handle
accelerated failure time and proportional hazards parametric models
for right censored, left truncated, and stratified data. Included
distributions are: Weibull, lognormal, loglogistic, Gompertz, and
extreme value. The new inner struct
Bill Meeker's programs for reliability analysis can fit this, they are part of
his SPLIDA package for Splus. I'm not sure that anyone has ported these to R
however.
The survreg routine does not handle this case, and psm call survreg to do the
actual work.
Terry Therneau
_
Dear All,
I would like to fit some parametric survival models using left
truncated, right censored data in R. However I am having problems
finding a function to fit parametric survival models which can handle
left truncated data.
I have tested both the survreg function in package survival:
fit1
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