A polyline by definition has many angles, so your question is ill-formed. And this is a question about math, not R, so is off topic here. I suggest reading Wikipedia. -- Sent from my phone. Please excuse my brevity.
On January 29, 2018 11:10:02 PM PST, javad bayat <j.bayat...@gmail.com> wrote: >Dear R users >I am trying to find a formula to calculate the angle of a polyline. Is >there a way to do this? >Many thanks. ______________________________________________ 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.
