That code seems to put the legend basically out of range. For the last line try x= 8 rather than 10.
legend(x=8,y=.3,paste("Scale=",c(1,2,4,8)),lty=1:4) --- David Winsemius <[EMAIL PROTECTED]> wrote: > "G Ilhamto" <[EMAIL PROTECTED]> wrote in > news:[EMAIL PROTECTED]: > > > > I want to combine several plots in one graph. > > I did this: plot(a1); plot(a2, add=TRUE); > ...plot(a5, add=TRUE) > > The problem is the more plot we put, the more > complex the graph. > > Is there any way to label each line; or other way > just to make sure I > > know which one which? > > > Try: > ?legend > > This is a worked example taken from Seefeld and > Kim's monograph: > <http://cran.r-project.org/doc/contrib/Seefeld_StatsRBio.pdf> > > plot(x,dgamma(x,shape=2,scale=1), type='l',xlab="x", > ylab="f(x)", main="Gamma pdf's") > lines(x,dgamma(x,shape=2,scale=2),lty=2) > lines(x,dgamma(x,shape=2,scale=4),lty=3) > lines(x,dgamma(x,shape=2,scale=8),lty=4) > legend(x=10,y=.3,paste("Scale=",c(1,2,4,8)),lty=1:4) > > -- > David Winsemius > > ______________________________________________ > 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. > ______________________________________________ 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.