Dear R-help, Is seems to me that R doesn't allow correct F-tests to be computed in anova.glm after estimating the dispersion parameter by deviance/df. Or does it? //Henric
On Fri, 4 Jul 2003, Henric Nilsson wrote:> Is seems to me that R doesn't allow correct F-tests to be computed in anova.glm > after estimating the dispersion parameter by deviance/df. Or does it?It does when they are correct, e.g. for a Gaussian family. -- 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