On Nov 20, 2007 10:29 AM, Gabor Grothendieck <[EMAIL PROTECTED]> wrote: > update already has formula and packageStatus methods so its > being extended beyond models already even within core packages.
Also, update methods are extensively used for the "other kind" of graphs in the lattice package. Deepayan encourages users to think of storing and updating lattice objects. > On Nov 20, 2007 8:54 AM, Luke Tierney <[EMAIL PROTECTED]> wrote: > > On Tue, 20 Nov 2007, Prof Brian Ripley wrote: > > > > > update() is generic, so the recommended approach would be to write a > > > method > > > for your objects. > > > > > > Creating your own function update() in a package would probably not break > > > too > > > much, as namespaces would protect most functions using the generic in > > > stats. > > > But it could be very confusing to users. > > > > Maybe. update is generic with a netral set of argument names; on the > > other hand, the _documentation_ of update is not generic -- it is > > specific to updating models. So there is opportunity for confusion > > from that direction. > > > > Best, > > > > luke > > > > > > > > > > On Tue, 20 Nov 2007, Søren Højsgaard wrote: > > > > > >> Dear all, > > >> > > >> I wonder if it is "bad style" (or something worse) to create an "update" > > >> function which does not work on model objects of the lm, glm etc. type. > > >> Specifically, I have some graph objects (graphs as mathematical objects, > > >> not as displays) which I want to alter and for that purpose I thought of > > >> writing an update function. Would doing so violate a "deeper philosophy" > > >> in > > >> the R system or have other unfortunate consequences. If so, I'm happy to > > >> hear other suggestions... > > >> > > >> Regards > > >> Søren > > >> > > >> ______________________________________________ > > >> R-help@r-project.org mailing list > > >> https://stat.ethz.ch/mailman/listinfo/r-help > > >> PLEASE do read the posting guide > > >> http://www.R-project.org/posting-guide.html > > >> and provide commented, minimal, self-contained, reproducible code. > > >> > > > > > > > > > > -- > > Luke Tierney > > Chair, Statistics and Actuarial Science > > Ralph E. Wareham Professor of Mathematical Sciences > > University of Iowa Phone: 319-335-3386 > > Department of Statistics and Fax: 319-335-3017 > > Actuarial Science > > 241 Schaeffer Hall email: [EMAIL PROTECTED] > > Iowa City, IA 52242 WWW: http://www.stat.uiowa.edu > > ______________________________________________ > > R-help@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > > > > > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
