I don't see any warnings if MASS is listed in Suggests in the DESCRIPTION. Davor
On 2013-02-25, at 1:28 PM, Hadley Wickham wrote: >> To summarize, it appears that the only way to call functions from a >> suggested package is by using either 'require' (which will dynamically >> attach it) or the double colon method. Is this something that should be >> mentioned in R-exts? > > Except the double colon method doesn't work (i.e. does not pass R CMD > check) unless you also import the package, which means it's no longer > just a suggestion - it must always be installed. > > A simple test case (attached DESCRIPTION and R/test.r) yields this > warning on R CMD check: > > * checking for unstated dependencies in R code ... WARNING > '::' or ':::' import not declared from: 'MASS' > See the information on DESCRIPTION files in the chapter 'Creating R > packages' of the 'Writing R Extensions' manual. > > Hadley > > -- > Chief Scientist, RStudio > http://had.co.nz/ > <test.r><DESCRIPTION> ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
