c(x <- 1:5, rev(x[-length(x)]))
On 5 March 2010 07:04, kensuguro <magronb...@gmail.com> wrote: > > I'm just beginning R, with book Using R for Introductory Statistics, and one > of the early questions has me baffled. The question is, create the > sequence: 1,2,3,4,5,4,3,2,1 using seq() and rep(). > > Now, as a programmer, I am punching myself to not be able to figure it out.. > I mean, as simple as a for loop, but using seq, I am stumped. I would think > c(1:5, 4:1) would be the brute force method with very non intelligent > coding.. there has to be a way to make the "turning point" (in this case 5) > parametric right? So you could change it later and the sequence will > reflect it. > -- > View this message in context: > http://n4.nabble.com/how-to-make-this-sequence-1-2-3-4-5-4-3-2-1-tp1579245p1579245.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. > -- ____________________ Baptiste Auguié Departamento de Química Física, Universidade de Vigo, Campus Universitario, 36310, Vigo, Spain tel: +34 9868 18617 http://webs.uvigo.es/coloides ______________________________________________ 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.