Hi library(magic) ?minmax
[ the basic idea is min(x) == max(x) ] best wishes Robin On 29 Aug 2005, at 20:35, Vincent Goulet wrote: > > Is there a canonical way to check if all elements of a vector or > matrix are > the same? Solutions below work, but look hackish to me. > > >> x <- rep(1, 10) >> all(x == x[1]) # == operator does not provide for small differences >> > [1] TRUE > >> isTRUE(all.equal(x, rep(x[1], length(x)))) # ugly >> > [1] TRUE > > Best, > > Vincent > -- > Vincent Goulet, Associate Professor > École d'actuariat > Université Laval, Québec > [EMAIL PROTECTED] http://vgoulet.act.ulaval.ca > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting- > guide.html > -- Robin Hankin Uncertainty Analyst National Oceanography Centre, Southampton European Way, Southampton SO14 3ZH, UK tel 023-8059-7743 ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
