I have the following R code to create a plot with two y axes. I am
essentially trying to
plot a price series with a volume series on the same graph. (i.e. to
compare price with volume). I can label the first
y axis successfully, but the problem is in labeling the 2nd y-axis.
Essentially, the
label never appears. It seems as though there is not enough margin
on the right hand
side of the figure to contain the axis title. I have tried adjusting
the margins, but this
just shrinks the graph within the quartz window and the title never
appears. Is there some
way to adjust the space for text to the right of the secondary y axis?
plot(x1,col="darkviolet", xlim=c(min(Duration),max
(Duration)),ylab="Price", type="l", xaxs="i", xaxt="n")
axis(2,col.axis="black")
par(new=TRUE)
plot(x2,col="green", xlim=c(min(Duration),max(Duration)), type="l",
ylab="", axes=FALSE ,xaxs="i",xaxt="n", yaxt="n", pch=16, las=1)
axis.Date(1,at=seq(as.Date("1986/01/15"),as.Date("2006/10/31"),by="1
years"))
axis(4,col.axis="black")
text(locator(1), "2nd Y Axis Title", srt = 270, xpd = FALSE)
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