max(abs(x-y)) < numerical tolerance of your choice -- Bert
On Thu, Nov 15, 2012 at 11:52 AM, Jonathan Dushoff <dush...@mcmaster.ca> wrote: > I have two matrices, generated by R functions that I don't understand. > I want to confirm that they're the same, but I know that they have > different attributes. > > If I want to compare the dimnames, I can say > >> identical(attr(tm, "dimnames"), attr(tmm, "dimnames")) > [1] FALSE > > or even: > >> identical(dimnames(tm), dimnames(tmm)) > [1] FALSE > > But I can't find any good way to compare the "main" part of objects. > > What I'm doing now is: > >> tm_new <- tm >> tmm_new <- tmm > >> attributes(tm_new) <- attributes(tmm_new) <- NULL > >> identical(tm_new, tmm_new) > [1] TRUE > > But that seems very inaesthetic, besides requiring that I create two > pointless objects. > > I have read ?attributes, ?attr and some web introductions to how R > objects work, but have not found an answer. > > Thanks for any help. > > ______________________________________________ > 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. -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm ______________________________________________ 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.
