[R] Logistic regression with constrained parameter ??

[Prof Brian Ripley]

On Sat, 27 Aug 2005, Benn Fine wrote:

> I want to fit a logistic regression model under a specified
> null hypothesis, say Ho:Beta_k=1
>
> Is there a way to constrain a parameter in glm.fit ??

You should be calling glm().  Then you can use offset() in your formula.
(You can also use it as an argument, but please don't as it is only 
partially supported.)


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-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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