What's wrong with 1-x ? Sent from my iPad
> On 28 May 2025, at 21:41, Avi Gross <avi.e.gr...@gmail.com> wrote: > > Paul, > > Perhaps slightly better and more concise is > > y <- -x + 1 > > Why multiply? Of course it may be optimized in some cases. > >> On Tue, May 27, 2025, 3:36 AM Paul Zachos <p...@acase.org> wrote: >> >> Wow! Amazing stuff. >> It will take me a while to digest all that you have offered here. >> >> I came up with a simple solution myself: >> y<- (-1*x)+1 >> >> Thank you >> _________________ >> Paul Zachos, PhD >> Director, Research and Evaluation >> Association for the Cooperative Advancement of Science and Education >> (ACASE) >> 110 Spring Street Saratoga Springs, NY 12866 | >> p...@acase.org | www.acase.org >> >> >> >> >>>> On May 19, 2025, at 3:08 AM, Rui Barradas <ruipbarra...@sapo.pt> wrote: >>> >>> Às 18:40 de 18/05/2025, paul zachos via R-help escreveu: >>>> Dear R Community >>>> I am an R beginner >>>> I have a vector of ‘1’s and ‘0’s >>>> x >>>> [1] 0 0 1 0 0 1 1 0 1 0 1 1 1 0 1 1 0 0 1 0 1 0 1 0 0 0 0 >>>> [28] 0 1 1 0 1 0 1 1 0 0 0 0 1 0 1 1 0 0 1 0 0 1 0 0 0 1 1 >>>> [55] 0 0 1 0 1 0 0 0 1 1 1 1 0 1 0 0 0 1 0 0 1 1 0 0 0 0 0 >>>> [82] 1 1 1 0 1 0 0 1 0 0 1 1 1 1 1 >>>> I would like to generate a new vector in which the ‘1’s in x become >> ‘0’s and the ‘0’s in x become ‘1’s. >>>> How should I go about this? >>>> Thank you, >>>> paz >>>> ______________________________________________ >>>> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >>>> https://stat.ethz.ch/mailman/listinfo/r-help >>>> PLEASE do read the posting guide >> https://www.R-project.org/posting-guide.html >>>> and provide commented, minimal, self-contained, reproducible code. >>> Hello, >>> >>> A simple way is to treat x as logical and negate its values. Then coerce >> to integer. >>> >>> >>> x <- c(0L, 0L, 1L, 0L, 0L, 1L, 1L, 0L, 1L, 0L, 1L, 1L, 1L, 0L, 1L, >>> 1L, 0L, 0L, 1L, 0L, 1L, 0L, 1L, 0L, 0L, 0L, 0L, 0L, 1L, 1L, 0L, >>> 1L, 0L, 1L, 1L, 0L, 0L, 0L, 0L, 1L, 0L, 1L, 1L, 0L, 0L, 1L, 0L, >>> 0L, 1L, 0L, 0L, 0L, 1L, 1L, 0L, 0L, 1L, 0L, 1L, 0L, 0L, 0L, 1L, >>> 1L, 1L, 1L, 0L, 1L, 0L, 0L, 0L, 1L, 0L, 0L, 1L, 1L, 0L, 0L, 0L, >>> 0L, 0L, 1L, 1L, 1L, 0L, 1L, 0L, 0L, 1L, 0L, 0L, 1L, 1L, 1L, 1L, >>> 1L) >>> >>> >>> as.integer(!x) >>> #> [1] 1 1 0 1 1 0 0 1 0 1 0 0 0 1 0 0 1 1 0 1 0 1 0 1 1 1 1 1 0 0 1 0 >> 1 0 0 1 1 1 >>> #> [39] 1 0 1 0 0 1 1 0 1 1 0 1 1 1 0 0 1 1 0 1 0 1 1 1 0 0 0 0 1 0 1 1 >> 1 0 1 1 0 0 >>> #> [77] 1 1 1 1 1 0 0 0 1 0 1 1 0 1 1 0 0 0 0 0 >>> >>> >>> Also, the recommended way of posting data is with ?dput: >>> >>> >>> dput(x) >>> #> c(0L, 0L, 1L, 0L, 0L, 1L, 1L, 0L, 1L, 0L, 1L, 1L, 1L, 0L, 1L, >>> #> 1L, 0L, 0L, 1L, 0L, 1L, 0L, 1L, 0L, 0L, 0L, 0L, 0L, 1L, 1L, 0L, >>> #> 1L, 0L, 1L, 1L, 0L, 0L, 0L, 0L, 1L, 0L, 1L, 1L, 0L, 0L, 1L, 0L, >>> #> 0L, 1L, 0L, 0L, 0L, 1L, 1L, 0L, 0L, 1L, 0L, 1L, 0L, 0L, 0L, 1L, >>> #> 1L, 1L, 1L, 0L, 1L, 0L, 0L, 0L, 1L, 0L, 0L, 1L, 1L, 0L, 0L, 0L, >>> #> 0L, 0L, 1L, 1L, 1L, 0L, 1L, 0L, 0L, 1L, 0L, 0L, 1L, 1L, 1L, 1L, >>> #> 1L) >>> >>> >>> Hope this helps, >>> >>> Rui Barradas >>> >>> >>> -- >>> Este e-mail foi analisado pelo software antivírus AVG para verificar a >> presença de vírus. >>> www.avg.com >> >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> https://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide https://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide https://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
