Dear R users,
I'm trying to fit a parametric survival model using the survreg function
with a Weibull distribution.
I'm studying the time to death of individuals from different families
and I would like to fit different shape parameters (ie 1/scale in R) for
each of the families. I looked it up in the help pdf and on the
internet, but I couldn't find anything.
Would it be possible to do such a thing ?
Thanks in advance,
Best regards,
Nicolas
N. Rode
PhD student
CEFE (Centre d'Ecologie Fonctionnelle et Evolutive)
34293 Montpellier, France
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