This looks like R FAQ 7.31, the one so commonly asked that regulars on this list have its number memorized!
> tau<-seq(0.02,0.98,0.02) > match(round(0.12, 2), round(tau, 2)) [1] 6 > match(round(0.16, 2), round(tau, 2)) [1] 8 See also ?all.equal Sarah On Mon, Nov 4, 2013 at 1:29 PM, Timo Schmid <timo_sch...@hotmail.com> wrote: > Hello, > I want to match specific numbers and a vector. Therefore I use the match or > which function but I get unreasonable results. Has anybody an idea why I got > a NA inmatch(0.12, tau)Please see the code below: > >> tau<-seq(0.02,0.98,0.02) >> tau > [1] 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20 0.22 0.24 0.26 0.28 > 0.30 0.32 0.34 0.36 0.38 0.40 > [21] 0.42 0.44 0.46 0.48 0.50 0.52 0.54 0.56 0.58 0.60 0.62 0.64 0.66 0.68 > 0.70 0.72 0.74 0.76 0.78 0.80 > [41] 0.82 0.84 0.86 0.88 0.90 0.92 0.94 0.96 0.98 >> match(0.02, tau) > [1] 1 >> match(0.12, tau) > [1] NA >> match(0.16, tau) > [1] 8 >> >> which(0.12==tau) > integer(0) >> which(0.16==tau) > [1] 8 >> >> 0.14%in%tau > [1] FALSE >> 0.16%in%tau > [1] TRUE > > > > Thanks in advance > Timo > -- Sarah Goslee http://www.functionaldiversity.org ______________________________________________ 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.
