I forgot to add this - here's the warning: * checking S3 generic/method consistency ... WARNING Warning: declared S3 method 'filter.test' not found See section 'Generic functions and methods' of the 'Writing R Extensions' manual.
On Tue, Jun 17, 2014 at 2:21 PM, Winston Chang <winstoncha...@gmail.com> wrote: > I'm getting an R CMD check warning with a package (call it package A) > that defines an S3 method but not the generic. The generic is defined > in another package (package B). Package A imports the S3 generic from > B. And there's one additional detail: the generic overrides a function > in the stats package. > > I've created a minimal test package which reproduces the problem: > https://github.com/wch/s3methodtest > > In this case: > - the package imports dplyr, for the dplyr::filter S3 generic > - the package defines a S3 method filter.test > - it imports dplyr, which defines a filter S3 generic > > The warning doesn't occur when package dplyr is in Depends instead of > Imports. It also doesn't occur if the method is for a generic that > does not override an existing function like stats::filter. For > example, if instead of filter.test, I define select.test > (dplyr::select is also an S3 generic), then there's no warning. > > This warning seems incorrect. Is this a bug? I'm interested in > submitting the package to CRAN soon, so any advice on what to do is > appreciated. > > Thanks, > -Winston ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
