I cannot get the "inset" argument in legend() to produce the results
that I want. It seems to me that when the legend position argument is
set to "bottom" then only the second (y-component) entry of "inset"
has any effect, and when the position argument is "left" then only
the first (x-component) entry of "inset" has any effect.
I have attached a file "legDemo.txt" which can be sourced to
demonstrate the behaviour that I am encountering.
I thought that maybe if one uses "inset" then one should not specify
the legend position, but that causes an error to be thrown.
I want to have a near the bottom of the plot and to adjust its
position, in the horizontal direction by means of "inset", but nothing
that I try has the desired effect.
Am I misunderstanding something? Or is there perhaps a bug in
legend()?
cheers,
Rolf Turner
--
Honorary Research Fellow
Department of Statistics
University of Auckland
Phone: +64-9-373-7599 ext. 88276
set.seed(42)
kull <- sample(1:4,10,TRUE)
leg <- c("A","B","C","D")
# 1.
plot(1:10,col=kull,pch=20,axes=FALSE,ann=FALSE)
box()
legend("left",pch=20,col=kull,legend=leg,bty="n")
readline("Go? ")
# 2.
plot(1:10,col=kull,pch=20,axes=FALSE,ann=FALSE)
box()
legend("left",pch=20,col=kull,legend=leg,bty="n",inset=c(0.75,0.75))
readline("Go? ")
# 3.
plot(1:10,col=kull,pch=20,axes=FALSE,ann=FALSE)
box()
legend("bottom",pch=20,col=kull,legend=leg,bty="n",horiz=TRUE)
readline("Go? ")
# 4.
plot(1:10,col=kull,pch=20,axes=FALSE,ann=FALSE)
box()
legend("bottom",pch=20,col=kull,legend=leg,bty="n",horiz=TRUE,inset=c(0.75,0.75))
readline("Go? ")
# 5.
plot(1:10,col=kull,pch=20,axes=FALSE,ann=FALSE)
box()
legend("bottom",pch=20,col=kull,legend=leg,bty="n",horiz=TRUE,inset=c(0.75,0))
readline("Go? ")
# 6.
plot(1:10,col=kull,pch=20,axes=FALSE,ann=FALSE)
box()
legend("bottom",pch=20,col=kull,legend=leg,bty="n",horiz=TRUE,inset=c(0,0.75))
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