? par it is the xpd you're looking for. x <- seq(-pi, pi, len = 65) par(xpd=TRUE) plot(x, sin(x), type="l", col = 2,xpd=NA) legend(x = 0, y = -1.5, "legend text", pch = 1, xjust = 0.5)
--- Jenny Barnes <[EMAIL PROTECTED]> wrote: > Hi folks, > > Do you mind if I ask a related question that I have > been having trouble with - > how do you put the legend outside of the plot area > (to the bottom of the area - > below the x-axis title)? Could anybody show me using > the example given below: > > x <- seq(-pi, pi, len = 65) > plot(x, sin(x), type="l", col = 2) > legend(x = -3, y = .9, "legend text", pch = 1, xjust > = 0.5) > > Thank you, I've not been able to do this simple bit > of programming and it is > very frustrating not to be able to add a simple key. > > Best Wishes, > > Jenny > > Hi Emili, > > Even though you are calling your horizontal > coordinate y, and vertical > coordinate z, the first and second arguments to > legend(), namely x and y, > should be the horizontal and vertical coordinates, > respectively; and they are > given in user coordinates (e.g., legend()'s x should > be between 1960 and 1975 > and legend()'s y should be between 1 and 4). > > If you want to use normalized coordinates (i.e. 0 to > 1), you can scale as in > this example: > > legend(x = par("usr")[1] + > diff(par("usr")[1:2])*normalizedCoordX, > y = par("usr")[3] + > diff(par("usr")[3:4])*normalizedCoordY, > ...) > > where normalizedCoordX and Y go from 0 to 1 (see > ?par, par("usr") returns > vector of c(xmin,xmax,ymin,ymax) of user coordinates > on a plot) > > You can alternatively use legend(x = "topleft",...) > or "bottomright", and so > on to place your legend. > > If you want to add your legend outside of the plot, > you should consider > increasing the margins using the 'mar' argument in > par(), and also setting > par(xpd=TRUE) (so stuff can show up outside of the > plotting region). > > Best regards, > ST > > > > y<-c(1960, 1965, 1970, 1975) > > z<-c(1, 2, 3, 4) > within the data limits of your x and y) > > > > > > --- Emili Tortosa-Ausina <[EMAIL PROTECTED]> > wrote: > > > Hi to all, > > > > I'm sorry for posting this question, I am sure I > am missing something > > important but after reading the documentation I > cannot find where the > > problem is. > > > > I want to add a legend to a figure. If I use a > simple example drawn > > from the R Reference Manual such as, for instance: > > > > x <- seq(-pi, pi, len = 65) > > plot(x, sin(x), type="l", col = 2) > > legend(x = -3, y = .9, "legend text", pch = 1, > xjust = 0.5) > > > > then everything works just fine. > > > > However, if I use other data such as, for > instance: > > > > y<-c(1960, 1965, 1970, 1975) > > z<-c(1, 2, 3, 4) > > plot(y, z, type="l", col = 2) > > legend(x = -3, y = .9, "legend text", pch = 1, > xjust = 0.5) > > > > then the legend is not shown. > > > > Any hints? > > > > Thanks in advance, > > > > Emili > > > > ______________________________________________ > > R-help@stat.math.ethz.ch 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. > > > > > > > ________________________________________________________________________________ > ____ > Food fight? Enjoy some healthy debate > > ______________________________________________ > R-help@stat.math.ethz.ch 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. > > ------------- End Forwarded Message ------------- > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Jennifer Barnes > PhD student: long range drought prediction > Climate Extremes Group > Department of Space and Climate Physics > University College London > Holmbury St Mary > Dorking, Surrey, RH5 6NT > Tel: 01483 204149 > Mob: 07916 139187 > Web: http://climate.mssl.ucl.ac.uk > > ______________________________________________ > R-help@stat.math.ethz.ch 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. > ______________________________________________ R-help@stat.math.ethz.ch 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.