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 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
