[R] glm.control

[Prof Brian D Ripley]

On Thu, 1 Aug 2002, Thomas Lumley wrote:

> On Thu, 1 Aug 2002, Paul M. Jacobson wrote:
>
> > Is there any way to specify these parameters globally or does one have to
> > use control=xxx where xxx is defined using glm.control in each invocation of
> > glm?
> >
>
> You could redefine the default values in glm.control, eg to use 10^-7 in
> the convergence test
>
> glm.control<-function (epsilon = 1e-07, maxit = 10, trace = FALSE)
> {
>     if (!is.numeric(epsilon) || epsilon <= 0)
>         stop("value of epsilon must be > 0")
>     if (!is.numeric(maxit) || maxit <= 0)
>         stop("maximum number of iterations must be > 0")
>     list(epsilon = epsilon, maxit = maxit, trace = trace)
> }

A warning shot: that will not work in R-devel (and hence probably not in
1.6.0)

-- 
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)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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