> On Feb 6, 2016, at 4:11 AM, jupiter <jupiter....@gmail.com> wrote: > > Hi, > > I am just starting to learn R, sorry for asking a simple question. How can > plot a line x <= 0 y = 0, x > 0 y = 1?
There is a stepfun function and an associated plotting method: y0 <- c(rep(0,3),rep(1,3)) sfun0 <- stepfun(-2:2, y0, right=TRUE) plot(sfun0) -- David Winsemius Alameda, CA, USA ______________________________________________ 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 http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.