Thank you for this explanation. As the package maintainer for aod (second warning message), I found where the warning came from and will post an update soon.
Kind regards, Renaud 2007/4/1, Prof Brian Ripley <[EMAIL PROTECTED]>: > On Sun, 1 Apr 2007, Renaud Lancelot wrote: > > > Dear all, > > > > I just installed R 2.5.0alpha and noticed new warnings related to the > > extractor "$" when using contributed packages. For instance: > > > >> library(RODBC) > > Warning message: > > $ operator is not valid for atomic vectors, returning NULL > > > >> library(aod) > > Package aod, version 1.1-18 > >> data(orob2) > >> m1 <- betabin(cbind(y, n-y) ~ 1, random = ~ 1, data = orob2) > >> head(residuals(m1)) > > 1 2 3 4 5 6 > > -1.4629774 -0.7897877 -1.3754283 0.1029910 -0.3556985 1.4030026 > > Warning message: > > $ operator not defined for this S4 class, returning NULL > > > > In these two cases, I deleted the former installations and re-built > > the packages from sources. > > > > How to overcome this problem ? > > Wait for package updates. For RODBC, it is harmless but the warning will > not appear in 1.1-9 (which will be released before R 2.5.0 is). > > (The first message is not really right: $ for lists was valid and > documented to return NULL in released versions of R, as it was in the Blue > Book. It should say that it is 'deprecated' in R 2.5.0, since this > amounts to a change of language definition and that should be giving a > warning of deprecation.) > > Later versions of R 2.5.0 alpha give more informative messages. > > -- > Brian D. Ripley, [EMAIL PROTECTED] > 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 > -- Renaud LANCELOT Département Systèmes Biologiques du CIRAD CIRAD, Biological Systems Department Campus International de Baillarguet TA 30 / B F34398 Montpellier Tel +33 (0)4 67 59 37 17 Secr. +33 (0)4 67 59 37 37 Fax +33 (0)4 67 59 37 95 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel