In addition to the arrows function, look at the my.symbols and ms.arrows functions in the TeachingDemos package, this is a wrapper around the arrows function, but may be a more natural interface for what you want.
-- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111 > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of Trying To learn again > Sent: Tuesday, July 27, 2010 3:07 PM > To: r-help@r-project.org > Subject: [R] Add an arrow to a plot > > Hi I want to plot an x,y plot something like an scatter plot. > > I always have the same doubt, were is the last point of my file? > > Imagine it is a time series so I want the last point to indicate with > an > arrow (but athomatically if posible). > > Someone knows if it is posible? > > Could it be posible to add additional arrows (with a small square with > text?) > > I hope you can comprehead me? > > I suppose you will say: An arrow? Which width?size? I first need to see > how > it looks and if it is posible. > > Many thanks in advance¡¡¡ > > [[alternative HTML version deleted]] ______________________________________________ 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.
