The boxcox function in the MASS package computes these intervals. If you want
to see how it computes the interval you can look at the source code. MASS the
book also describes the general process.
Hope this helps,
--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Eoin Barry
> Sent: Wednesday, December 17, 2008 7:24 AM
> To: r-help at r-project.org
> Subject: Re: [R] Confidence intervals of log transformed data
>
> Hello,
>
> I was wondering if you could tell me how to calculate 95% confidence
> intervals for lambda for a box-cox power transformation.
>
> Best wishes
>
> Eoin
>
>
> [[alternative HTML version deleted]]
>
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