On 02/03/2011 09:29 AM, Paul Gilbert wrote: > I am trying to extend an S3 method to work with an S4 object as well > as the S3 objects it works with, but UseMethod does not seem to > recognize the S4 class and dispatches to the default method. Is this > to be expected or should I be looking for an error in my code? > > If it is not an error in my code, is there an easy way to do this, or > do I have to convert the generic to S4 and then make those methods > deal with the S3 objects?
Hi Paul See ?Methods and the "Methods for S3 Generic Functions" section. Martin > > (Using R 2.12.1 on Ubuntu 10.10.) > > Paul Gilbert > ==================================================================================== > > La version française suit le texte anglais. > > ------------------------------------------------------------------------------------ > > This email may contain privileged and/or confidential information, > and the Bank of Canada does not waive any related rights. Any > distribution, use, or copying of this email or the information it > contains by other than the intended recipient is unauthorized. If you > received this email in error please delete it immediately from your > system and notify the sender promptly by email that you have done so. > > > ------------------------------------------------------------------------------------ > > Le présent courriel peut contenir de l'information privilégiée ou > confidentielle. La Banque du Canada ne renonce pas aux droits qui s'y > rapportent. Toute diffusion, utilisation ou copie de ce courriel ou > des renseignements qu'il contient par une personne autre que le ou > les destinataires désignés est interdite. Si vous recevez ce > courriel par erreur, veuillez le supprimer immédiatement et envoyer > sans délai à l'expéditeur un message électronique pour l'aviser > que vous avez éliminé de votre ordinateur toute copie du courriel > reçu. > > [[alternative HTML version deleted]] > > > > > ______________________________________________ R-devel@r-project.org > mailing list https://stat.ethz.ch/mailman/listinfo/r-devel -- Computational Biology Fred Hutchinson Cancer Research Center 1100 Fairview Ave. N. PO Box 19024 Seattle, WA 98109 Location: M1-B861 Telephone: 206 667-2793 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
