From ripley at stats.ox.ac.uk  Thu May 11 12:24:37 2006
From: ripley at stats.ox.ac.uk (ripley at stats.ox.ac.uk)
Date: Thu, 11 May 2006 12:24:37 +0200 (CEST)
Subject: [Rd] Allowed quasibinomial links (PR#8851)
Message-ID: <20060511102437.1E10419A66@slim.kubism.ku.dk>

This was already corrected in R-devel (including allowing cauchit): I have
moved the relevant part of the fix to R-patched now.

On Wed, 10 May 2006, henric.nilsson at statisticon.se wrote:

> Full_Name: Henric Nilsson
> Version: 2.3.0 Patched (2006-05-09 r38014)
> OS: Windows 2000 SP4
> Submission from: (NULL) (83.253.9.137)
>
>
> When supplying an unavailable link to `quasibinomial', the error message looks
> strange. E.g.
>> quasibinomial("x")
> Error in quasibinomial("x") : 'x' link not available for quasibinomial family,
> available links are "logit", ", ""probit" and "cloglog"
>                          ^^^^^^^^
> Clearly, something's missing. A quick peek in the code reveals that `log' is
> allowed, but is missing from the above list.
>
> Furthermore, shouldn't `quasibinomial' also allow the `cauchit' link?

-- 
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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Oxford OX1 3TG, UK                Fax:  +44 1865 272595



[Rd] Allowed quasibinomial links (PR#8851)
ripley at stats.ox.ac.uk