Hi Milu, My fault here. As I don't have the data to make the map and try out my suggestions I mixed up the x and y coordinates. Try this:
par(xpd=TRUE) arrows(-19.75966,53,33.60000,53,code=3) par(xpd=FALSE) Jim On Tue, Apr 12, 2016 at 10:11 PM, Miluji Sb <miluj...@gmail.com> wrote: > Hello Jim, > > Thanks again. I am getting the two-headed arrow but I cannot seem to get the > coordinates right for the arrow to appear beneath the map. These coordinates > puts the arrow on the left hand side. Thanks again! > > Sincerely, > > Milu > > On Tue, Apr 12, 2016 at 1:15 PM, Jim Lemon <drjimle...@gmail.com> wrote: >> >> Hi Milu, >> There is a two-headed arrow on the image you sent, and it seems to be >> where you specified. Did you want it beneath the map, as: >> >> par(xpd=TRUE) >> arrows(-22,54.75,-22,74,code=3) >> par(xpd=FALSE) >> >> Jim >> >> On Tue, Apr 12, 2016 at 7:58 PM, Miluji Sb <miluj...@gmail.com> wrote: >> > Dear Jim, >> > >> > Thanks again! I do want the arrows at the bottom (beneath the map). This >> > is >> > what I am doing: >> > >> > # Draw the map >> > eps_europe <- mapCountryData(n, nameColumnToPlot="eps_score", >> > mapTitle="EPS >> > Score - Europe",colourPalette=colourPalette, >> > catMethod="fixedWidth", missingCountryCol = "white", mapRegion="Europe", >> > addLegend=FALSE) >> > >> > # ISO3 codes on the map >> > text(n, labels="ISO3", cex=0.30) >> > >> > # Obtain coordinates for the arrow >> > par('usr') >> > >> > # -19.75966 54.75966 33.60000 71.40000 >> > >> > # Arrows >> > par(xpd=TRUE) >> > arrows(-19.75966, 54.75966, 33.60000, 71.40000,code=3) >> > par(xpd=FALSE) >> > >> > As the output shows I cannot seem to get the correct coordinates for the >> > arrows. Thanks again. >> > >> > Sincerely, >> > >> > Milu > > ______________________________________________ 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.