Very simple, indeed.
Thank you very much for your help.
Luis
> Subject: Re: [R] Confidence Intervals for survreg (survival)
> From: dwinsem...@comcast.net
> Date: Tue, 20 Aug 2013 11:50:52 -0700
> CC: r-help@r-project.org
> To: ljantu...@hotmail.com
>
>
> On Aug 20, 2013, at 7:04 AM, Luis Antunes wrote:
>
> > Hello,
> > I am fitting a weibull regression model to a survival data set, using
> > survreg from the survival package.I would like to obtain the confidence
> > interval for the regression coefficients estimates, but I not seeing
> > how.Can anyone help me?
>
> ?summary.survreg
> ?confint
>
> Basically any regression object returned with list components 'coefficients'
> (actually with a coef()-method) and 'var' can be passed to confint.
> --
> David Winsemius
> Alameda, CA, USA
>
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