[R] survreg & gompertz

David Winsemius
2012-11-15T21:22:52Z

On Nov 15, 2012, at 5:38 AM, Matthias Ziehm wrote:

> Hi all,
>
> Sorry if this has been answered already, but I couldn't find it in the
archives or general internet.

A Markmail/Rhelp search on:  gompertz survreg  ...brings this link to a reply by
Terry Therneau. Seems to address everything you asked and a bit more

http://markmail.org/search/?q=list%3Aorg.r-project.r-help+gompertz+survreg#query:list%3Aorg.r-project.r-help%20gompertz%20survreg+page:1+mid:6xdlsmo272oa7zkw+state:results

(Depending on how your mailer breaks URLs you may need to paste it back
together.)
>
> Is it possible to implement the gompertz distribution as
survreg.distribution to use with survreg of the survival library?
> I haven't found anything and recent attempts from my side weren't
succefull so far.
>
> I know that other packages like 'eha' and 'flexsurv' offer
functions similar to survreg with gompertz support. However, due to the run-time
environment were this needs to be running in the end, I can't use these
packages :(
>
> Same questions for the gompertz-makeham distribution.
>
> Many thanks!
>
> Matthias
--

David Winsemius, MD
Alameda, CA, USA