henric.nilsson at statisticon.se
2006-May-10 20:20 UTC
[Rd] Allowed quasibinomial links (PR#8851)
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?
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) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595