#====================
# Figure 13.3.R.
# R script illustrating different
# text positions in relation to
# coordinates specified in the 
# text() command.
#====================
x=c(2.5,1,1,4,4)
y=c(2.5,1,4,4,1)
plot(x,y,type="p",xlim=c(0,5),ylim=c(0,5))
text(x[2:5],y[2:5],c("bottom","left","top","right"),pos=1:4)
text(x[1],y[1],c("overlay"))