R help - Aug 2011 - limits on liniar model

Can I put limits on the lm() command? I only know that you can choose a
   liniar model with or without an intercept, but can I put other limits on
   the coefficients (for example- the intercept must be bigger than 1) ?

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References

   1. http://www.walla.co.il/

Please use R's search capabilities before posting.

RSiteSearch("Linear Model with Constraints")

appears to give you what you're looking for. Incidentally, with
constraints, the model is no longer linear, I believe.

-- Bert

2011/8/3 ????? ???????? <gantkant at walla.com>:
>
> ? Can I put limits on the lm() command? I only know that you can choose a
> ? liniar model with or without an intercept, but can I put other limits on
> ? the coefficients (for example- the intercept must be bigger than 1) ?
>
> ? ? _________________________________________________________________
>
> ? Walla! Mail - [1]Get your free unlimited mail today
>
> References
>
> ? 1. http://www.walla.co.il/
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
>


-- 
"Men by nature long to get on to the ultimate truths, and will often
be impatient with elementary studies or fight shy of them. If it were
possible to reach the ultimate truths without the elementary studies
usually prefixed to them, these would not be preparatory studies but
superfluous diversions."

-- Maimonides (1135-1204)

Bert Gunter
Genentech Nonclinical Biostatistics

It is hard to prove a negative, but to the best of my knowledge lm will not do
what you want. This does not mean there is not a function that will perform your
analyses; the sort of thing you want to do is often accomplished using
non-linear methods.
John 
>>> ????? ????????<gantkant at walla.com> 8/3/2011 12:00:04 PM
>>>
   Can I put limits on the lm() command? I only know that you can choose a
   liniar model with or without an intercept, but can I put other limits on
   the coefficients (for example- the intercept must be bigger than 1) ?

     _________________________________________________________________

   Walla! Mail - [1]Get your free unlimited mail today

References

   1. http://www.walla.co.il/

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