[R] confidence intervals

Warnes, Gregory R gregory_r_warnes at groton.pfizer.com
Thu Sep 9 00:04:48 CEST 2004


You should be able to make small modifications to the ci.lme function
provided in the gregmisc/gmodels package.

-Greg

> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch
> [mailto:r-help-bounces at stat.math.ethz.ch]On Behalf Of Spencer Graves
> Sent: Friday, September 03, 2004 11:58 AM
> To: bates at wisc.edu
> Cc: Robert Waters; r-help at stat.math.ethz.ch
> Subject: Re: [R] confidence intervals
> 
> 
> Hi, Robert: 
> 
>       While it may be difficult to program this in general 
> (as suggested 
> by it's position on Doug's "To Do" list), all the pieces should be 
> available to support a special script for your specific application.  
> What fixed and random model(s) interest you most? 
> 
>       hope this helps.  spencer graves
> 
> Douglas Bates wrote:
> 
> > Robert Waters wrote:
> >
> >> Dear R users;
> >>
> >> Im working with lme and Id like to have an idea of how
> >> can I get CI for the predictions made with the model.
> >> Im not a stats guy but, if Im not wrong, the CIs
> >> should be different if Im predicting a new data point
> >> or a new group. Ive been searching through the web and
> >> in help-lists with no luck. I know this topic had been
> >> asked before but without replies. Can anyone give an
> >> idea of where can I found information about this or
> >> how can I get it from R?
> >>
> >> Thanks for any hint
> >
> >
> > That's not currently implemented in lme.  It's on the "To 
> Do" list but 
> > it is not very close to the top.
> >
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> 
> 
> -- 
> Spencer Graves, PhD, Senior Development Engineer
> O:  (408)938-4420;  mobile:  (408)655-4567
> 
> ______________________________________________
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