On Wed, 10 Sep 2008, Thomas Lumley wrote:
On Wed, 10 Sep 2008, Prof Brian Ripley wrote:
As to why the list of links known by name is as it is, that seems history.
in part the White Book history of S. I've always thought it an error that
'log' was a standard link for binomial, as the range
This isn't accurate. You are talking about link functions *known by name*.
link: a specification for the model link function. This can be a
name/expression, a literal character string, a length-one
character vector or an object of class 'link-glm' (provided
it
Prof Brian Ripley wrote:
This isn't accurate. You are talking about link functions *known by name*.
link: a specification for the model link function. This can be a
name/expression, a literal character string, a length-one
character vector or an object of class
On Wed, 10 Sep 2008, Prof Brian Ripley wrote:
As to why the list of links known by name is as it is, that seems history. in
part the White Book history of S. I've always thought it an error that 'log'
was a standard link for binomial, as the range does not match the
specification of
Thomas Lumley wrote:
As a side note, in (some versions of) S, due to partial matching,
binomial(log) is valid -- it just does logistic regression.
ouch!
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Subject: Re: [R] binomial(link=inverse)
On Wed, 10 Sep 2008, Prof Brian Ripley wrote:
As to why the list of links known by name is as it is, that seems
history. in part the White Book history of S. I've always thought it
an error that 'log'
was a standard link for binomial
this may be a better question for r-devel, but ...
Is there a particular reason (and if so, what is it) that
the inverse link is not in the list of allowable link functions
for the binomial family? I initially thought this might
have something to do with the properties of canonical
vs
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