On 18/04/2020 3:10 p.m., Ranjan Maitra wrote:
Dear friends,I am trying to display a sequence of characters x_1, x_2, ... x_30 on a plot. I know that I can use expression to do this by expression("x"[1]), etc. But, how do I do this efficiently for an entire sequence without having to type the individual expressions one by one?
e <- expression() for (i in 1:30) e <- c(e, eval(substitute(expression(x[i]), list(i = i)))) plot(1:30, 1:30, type="n") text(1:30, 1:30, labels=e) Duncan Murdoch ______________________________________________ [email protected] 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.
