Re: [R] S-code for piecewise regression

From: Peter Dalgaard <>
Date: Sat 05 Mar 2005 - 19:25:49 EST

Simon Chamaillé <> writes:

> Dear R-helpers,
> a S-code for piecewise regressions was provided by Toms & Lesperance
> (2003) Ecology, 84, 2034-2041 (paper can be found on the web).The code
> is quite complete with different types of transitions around
> breakpoints and model selection fonctions.
> It doesn't work directly under R due to some "translation" problems I
> guess. However I reckon that it would be a valuable add-on to R,
> so if anyone that knows both S and R syntax (I don't) doesn't know
> what to do during the week-end, it could provide some entertainment...
> attached is the code.

Umm, I don't think posting 1200 lines on nonworking code to r-help is the right way to go about this, especially since the code is not yours. I'm pretty sure you didn't read (or if you did, you certainly didn't understand)

which is the copyright stated on

> regards,
> simon
> " R is love" (L.D.)

The right way is of course to volunteer as maintainer for an R package (maybe after finding someone to help you iron out the wrinkles), contact the authors and the journal to get permission to publish under the GPL and submit to CRAN.

   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (             FAX: (+45) 35327907

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Received on Sat Mar 05 19:49:16 2005

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