Something like this? It does an extra y-axis but the principle is the same for
an x-axis
# Create the data to be graphed
x<-1:10
y1<-x
y2<-x^2
# Set the par values
op <- par(las=1,xaxs="r",mai=c(1,0.75,1,1))
# Draw first plot
plot(x,y1,xlim=c(0,10),ylim=c(0,10), ylab="y1", las = 1)
title(main="Multiple Y-Axes in R")
# Draw second plot
par(new=TRUE)
plot(x,y2,xlim=c(0,10),xaxt="n",yaxt="n",ylab="",pch=16)
axis(4,at=c(0,20,40,60,80,100))
text(12, 50, "y2", srt = 270, xpd = TRUE)
par(op) # reset par
John Kane
Kingston ON Canada
> -----Original Message-----
> From: careys...@gmail.com
> Sent: Tue, 26 Mar 2013 10:19:09 +0000
> To: r-help@r-project.org
> Subject: [R] How do I show real values on a log10 histogram
>
> Hi,
>
> I have a histogram with values logged to the base 10
>
> hist(log10(x),breaks=60)
>
> How do I show the log values on the x-axis and a second x-axis showing
> the
> real values?
>
> Thanks
>
> --
> Shane
>
> [[alternative HTML version deleted]]
>
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