Anne wrote:> Hello R helpers!
> I'm using the avas function form package acepack (called from
areg.boot package Hmisc) to estimate automatically transformations of
predictors (in this case monotonous) and response.
>
> Well, it seems to work quite well, but I have 3 basic questions:
> - which set of basis functions is used in this procedure?
> - how do I back transform my estimate (y hat ) to the originasl scale?
Please read docs for areg.boot. predict.areg.boot does this already,
using reverse linear interpolation.
> - is there a closed analytical description of the model used? If so, how do
I get it?
No
Frank
>
> Thanks a lot
> Anne
>
>
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> Anne Piotet
> Email: anne.piotet at m-td.com
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--
Frank E Harrell Jr Professor and Chair School of Medicine
Department of Biostatistics Vanderbilt University